.Of a normal couple, half the sons are haemophiliac while half the daughters are carriers. The gene is located on (a) X-chromosome of father (b) Y-chromosome of father (c) one X-chromosome of mother (d) both the X-chromosomes of mother

.Of a normal couple, half the sons are haemophiliac
while half the daughters are carriers. The gene is
located on
(a) X-chromosome of father
(b) Y-chromosome of father
(c) one X-chromosome of mother
(d) both the X-chromosomes of mother
by

1 Answer

Answer :

(c) one X-chromosome of mother
by

Related questions

A woman with two genes for haemophilia and one gene for colour blindness on one of the ‘X’ chromosomes marries a normal man. How will the progeny be? (a) 50% haemophilic colour-blind sons and 50% normal sons. (b) 50% haemophilic daughters (carrier) and 50% colour blind daughters (carrier). (c) All sons and daughters haemophilic and colour- blind. (d) Haemophilic and colour-blind daughters.

Description : A woman with two genes for haemophilia and one gene for colour blindness on one of the X' chromosomes marries a normal man. How will the progeny be? (a) 50% haemophilic colour-blind sons ... ). (c) All sons and daughters haemophilic and colour- blind. (d) Haemophilic and colour-blind daughters.

Last Answer : (b) 50% haemophilic daughters (carrier) and 50% colour blind daughters (carrier).

A woman has an X-linked condition on one of her X chromosomes. This chromosome can be inherited by (a) only daughters (b) only sons (c) only grandchildren (d) both sons and daughters

Description : A woman has an X-linked condition on one of her X chromosomes. This chromosome can be inherited by (a) only daughters (b) only sons (c) only grandchildren (d) both sons and daughters

Last Answer : (d) both sons and daughters.

A colour blind mother and normal father would have (a) colour blind sons and normal/carrier daughters (b) colour blind sons and daughters (c) all colour blind (d) all normal

Description : A colour blind mother and normal father would have (a) colour blind sons and normal/carrier daughters (b) colour blind sons and daughters (c) all colour blind (d) all normal

Last Answer : (a) colour blind sons and normal/carrier daughters

.A person whose father is colour blind marries a lady whose mother is daughter of a colour blind man. Their children will be (a) all sons colour blind (b) some sons normal and some colour blind (c) all colour blind (d) all daughters normal.

Description : .A person whose father is colour blind marries a lady whose mother is daughter of a colour blind man. Their children will be (a) all sons colour blind (b) some sons normal and some colour blind (c) all colour blind (d) all daughters normal.

Last Answer : (d) all daughters normal.

A party was held in which a grandmother, father, mother, four sons, their wives and one son and two daughters to each of the sons were present. The number of females present in the party is: (A) 12 (B) 14 (C) 18 (D) 24

Description : A party was held in which a grandmother, father, mother, four sons, their wives and one son and two daughters to each of the sons were present. The number of females present in the party is: (A) 12 (B) 14 (C) 18 (D) 24

Last Answer : Answer: B

.A diseased man marries a normal woman. They get three daughters and five sons. All the daughters were diseased and sons were normal. The gene of this disease is (a) sex linked dominant (b) sex linked recessive (c) sex limited character (d) autosomal dominant.

Description : .A diseased man marries a normal woman. They get three daughters and five sons. All the daughters were diseased and sons were normal. The gene of this disease is (a) sex linked dominant (b) sex linked recessive (c) sex limited character (d) autosomal dominant.

Last Answer : (a) sex linked dominant

In a test cross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates (a) the two genes are linked and present on the same chromosome (b) both of the characters are controlled by more than one gene (c) the two genes are located on two different chromosomes (d) chromosomes failed to separate during meiosis.

Description : In a test cross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates (a) the two genes are linked and present on the ... two genes are located on two different chromosomes (d) chromosomes failed to separate during meiosis.

Last Answer : (a) the two genes are linked and present on the same chromosome

.Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child? (a) Two X chromosomes (b) Only one Y chromosome (c) Only one X chromosome (d) One X and one Y chromosome

Description : .Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child? (a) Two X chromosomes (b) Only one Y chromosome (c) Only one X chromosome (d) One X and one Y chromosome

Last Answer : (a) Two X chromosomes

A child receives an X chromosome from it’s mother and a Y chromosome from it’s father. What is true about this child?

Description : A child receives an X chromosome from it’s mother and a Y chromosome from it’s father. What is true about this child?

Last Answer : it is male

A marriage between normal visioned man and colour blind woman will produce offspring (a) colour blind sons and 50% carrier daughter (b) 50% colourblind sons and 50% carrier daughter (c) normal males and carrier daughters (d) colour blind sons and carrier daughters.

Description : A marriage between normal visioned man and colour blind woman will produce offspring (a) colour blind sons and 50% carrier daughter (b) 50% colourblind sons and 50% carrier daughter (c) normal males and carrier daughters (d) colour blind sons and carrier daughters.

Last Answer : (d) colour blind sons and carrier daughters.

Nondisjunction of a chromosome results in which of the following diagnoses? a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two copies of a particular chromosome (nondisjunction) Down syndrome results from three number 21 chromosomes. b) Huntingon Disease Huntington disease is one example of a germ-line mutation. c) Duchenne Muscular Dystrophy Duchenne muscular dystrophy, an inherited form of muscular dystrophy, is an example of a genetic caused by structural gene mutations. d) Marphan Syndrome Marphan Syndrome is a genetic condition that may occur in a single family member as a result of spontaneous mutation.

Description : Nondisjunction of a chromosome results in which of the following diagnoses? a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two ... genetic condition that may occur in a single family member as a result of spontaneous mutation.

Last Answer : a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two copies of a particular chromosome (nondisjunction) Down syndrome results from three number 21 chromosomes.

Down’s syndrome is caused by an extra copy of chromosome number 21. What percentage of offspring produced by an affected mother and a normal father would be affected by this disorder? (a) 100% (b) 75% (c) 50% (d) 25%

Description : Down’s syndrome is caused by an extra copy of chromosome number 21. What percentage of offspring produced by an affected mother and a normal father would be affected by this disorder? (a) 100% (b) 75% (c) 50% (d) 25%

Last Answer : (c) 50%

Thirteen women are kneeling around a circle. A whistle blows, and suddenly all thirteen women began shouting out the names of their sons and daughters, while frantically waving their arms. At last, a whistle blows once again, and one of the women is awarded a trophy. What kind of insanity is happening here? -Riddles

Description : Thirteen women are kneeling around a circle. A whistle blows, and suddenly all thirteen women began shouting out the names of their sons and daughters, while frantically waving their arms. At last, a ... and one of the women is awarded a trophy. What kind of insanity is happening here? -Riddles

Last Answer : The thirteen women, along with their thirteen sons and daughters (all babies of a crawling age), are competing in a 'Fastest Crawling Baby Contest.' Initially, all of the babies were placed in ... to their mother outside of the circle was the winner, and the trophy was subsequently awarded to her.

A man whose father was colour blind marries a woman who had a colour blind mother and normal father. What percentage of male children of this couple will be colour blind? (a) 25% (b) 0% (c) 50% (d) 75%

Description : A man whose father was colour blind marries a woman who had a colour blind mother and normal father. What percentage of male children of this couple will be colour blind? (a) 25% (b) 0% (c) 50% (d) 75%

Last Answer : (c) 50%

The colour blindness is more likely to occur in males than in females because (a) the Y-chromosome of males have the genes for distinguishing colours (b) genes for characters are located on the sex- chromosomes (c) the trait is dominant in males and recessive in females (d) none of these.

Description : The colour blindness is more likely to occur in males than in females because (a) the Y-chromosome of males have the genes for distinguishing colours (b) genes for characters are located on the sex- chromosomes (c) the trait is dominant in males and recessive in females (d) none of these.

Last Answer : (b) genes for characters are located on the sex- chromosomes

Haemophilia is characterised by:** A. Daughters are affected from their carrier fathers B. Present on “y” chromosome C. Hemarthrosis is a common finding D. Deficiency of factor VII E. Neutrophil defect

Description : Haemophilia is characterised by:** A. Daughters are affected from their carrier fathers B. Present on “y” chromosome C. Hemarthrosis is a common finding D. Deficiency of factor VII E. Neutrophil defect

Last Answer : C. Hemarthrosis is a common finding

.A human female with Turner’s syndrome (a) has 45 chromosomes with XO (b) has one additional X chromosome (c) exhibits male characters (d) is able to produce children with normal husband.

Description : .A human female with Turner’s syndrome (a) has 45 chromosomes with XO (b) has one additional X chromosome (c) exhibits male characters (d) is able to produce children with normal husband.

Last Answer : (a) has 45 chromosomes with XO

Carlos was out walking one day. He met his father-in-law's only daughter's mother-in-law. What did Carlos call her? -Riddles

Description : Carlos was out walking one day. He met his father-in-law's only daughter's mother-in-law. What did Carlos call her? -Riddles

Last Answer : He called her Mom!

The average age of 11 daughters of a family is 12yrs. Average age of the daughters together with their parents is 27yrs. If mother is 14yrs younger than father. Then find the father's age A) 127 yrs B) 116.5 yrs C) 168yrs D) 170yrs

Description : The average age of 11 daughters of a family is 12yrs. Average age of the daughters together with their parents is 27yrs. If mother is 14yrs younger than father. Then find the father's age A) 127 yrs B) 116.5 yrs C) 168yrs D) 170yrs

Last Answer : Answer: B) Total age of 11 daughters of a family = 11*12 = 132 father age = 14 +mother age total age of the family (11 daughters + father + mother) is, 132+mother +14+ mother = 27 * 13 mother = 102.5 father age = 14+102.5 =116.5years

Regarding the human chromosomesa. there are 23 pairs autosomal chromosomes b. the Y chromosome is larger than the X chromosome c. cells containing YO chromosome are not compatible with life d. Barr body is caused by the presence of an inactive X chromosome

Description : Regarding the human chromosomes a. there are 23 pairs autosomal chromosomes b. the Y chromosome is larger than the X chromosome c. cells containing YO chromosome are not compatible with life d. Barr body is caused by the presence of an inactive X chromosome

Last Answer : cells containing YO chromosome are not compatible with life

.Down’s syndrome in humans is due to (a) three ‘X’ chromosomes (b) three copies of chromosome 21 (c) monosomy (d) two ‘Y’ chromosomes.

Description : .Down’s syndrome in humans is due to (a) three ‘X’ chromosomes (b) three copies of chromosome 21 (c) monosomy (d) two ‘Y’ chromosomes.

Last Answer : b) three copies of chromosome 21

In Drosophila, the sex is determined by (a) the ratio of number of X-chromosome to the sets of autosomes (b) X and Y chromosomes (c) the ratio of pairs of X-chromosomes to the pairs of autosomes (d) whether the egg is fertilized or develops parthenogenetically.

Description : In Drosophila, the sex is determined by (a) the ratio of number of X-chromosome to the sets of autosomes (b) X and Y chromosomes (c) the ratio of pairs of X-chromosomes to the pairs of autosomes (d) whether the egg is fertilized or develops parthenogenetically.

Last Answer : (c) the ratio of pairs of X-chromosomes to the pairs of autosomes

Mitosis is a type of cell division in which - (1) The chromosomes maintain their original number (2) The chromosome number is reduced to half (3) The Chromosome number is doubled (4) The chromosome number is reduced to one fourth

Description : Mitosis is a type of cell division in which - (1) The chromosomes maintain their original number (2) The chromosome number is reduced to half (3) The Chromosome number is doubled (4) The chromosome number is reduced to one fourth

Last Answer : (3) The Chromosome number is doubled

When a gene is carried on the X or y chromosome it is called what?

Description : When a gene is carried on the X or y chromosome it is called what?

Last Answer : Need answer

[Serious] Sons/Daughters of Mothers/Fathers who hated Men/Women, what are you comfortable sharing about what it was like to grow up with that kind of parental figure?

Description : [Serious] Sons/Daughters of Mothers/Fathers who hated Men/Women, what are you comfortable sharing about what it was like to grow up with that kind of parental figure?

Last Answer : answer:Attention! [Serious] Tag Notice Jokes, puns, and off-topic comments are not permitted in any comment, parent or child. Parent comments that aren't from the target group will be ... performed automatically. Please contact the moderators of this subreddit if you have any questions or concerns.

Parents of army-age youth - how do you feel about sending your sons and daughters to fight North Korea?

Description : Parents of army-age youth - how do you feel about sending your sons and daughters to fight North Korea?

Last Answer : answer:My sister's son tried to join the Navy a few years ago. I was supportive of the idea. I was pretty sure we would have different president at the time. Now I am very glad he ... needs to accelerate their nuclear program (just stay hush about it) to prevent aggression from the United States.

Has anyone taken their kid to work on Take Our Daughters and Sons to Work Day?

Description : Has anyone taken their kid to work on Take Our Daughters and Sons to Work Day?

Last Answer : I did (many times) and it really helped form my boys’ interest in science and engineering. They were able to see and play with all kinds of test equipment, engines, environmental test chambers, wind tunnel, etc. They got a much better understanding of the engineering world. The lessons stuck.

How good are your sons/daughters at at reading? What is their lexile score, if you know?

Description : How good are your sons/daughters at at reading? What is their lexile score, if you know?

Last Answer : answer:My 3 year old knows his alphabet and their individual sounds (no compounds yet, like “ph” or “gr”) and can sight-read certain words like “stop” “go” “cat” “dog” “Mama” “Daddy” and “Ian” My Lexile scores came back “post college” from about seventh grade on.

Who did Adam's (the progenitor) sons and daughters marry?

Description : Who did Adam's (the progenitor) sons and daughters marry?

Last Answer : answer:Dire needs call for dire measures. For “Creation” to have happened there would have had to been a lot of inbreeding. Not a lot of differentiation within the species. Nice Tags

Two grandmothers, with their two granddaughters; Two husbands, with their two wives; Two fathers, with their two daughters; Two mothers, with their two sons; Two maidens, with their two mothers; Two sisters, with their two brothers; Yet only six in all lie buried here; All born legitimate, from incest clear -Riddles

Description : Two grandmothers, with their two granddaughters; Two husbands, with their two wives; Two fathers, with their two daughters; Two mothers, with their two sons; Two maidens, with their two mothers; Two ... brothers; Yet only six in all lie buried here; All born legitimate, from incest clear -Riddles

Last Answer : Two widows each had a son, and each widow married the son of the other and then each had a daughter

Why did education for Jewish sons and daughters differ?

Description : Why did education for Jewish sons and daughters differ?

Last Answer : Education for Jewish sons and daughters differed to prepare themfor their expected roles in life.

A white woman marries a black man. They have four children — 2 sons and 2 daughters. What proportion of these chi 1dren is likely to be black (a) 25% (b) 50% (c) 100% (d) none

Description : A white woman marries a black man. They have four children — 2 sons and 2 daughters. What proportion of these chi 1dren is likely to be black (a) 25% (b) 50% (c) 100% (d) none

Last Answer : Ans:(d)

A man and a woman, who do not show any apparent signs of a certain inherited disease, have seven children (2 daughters and 5 sons). Three of the sons suffer from the given disease but none of the daughters affected. Which of the following mode of inheritance do you suggest for this disease? (a) Sex-linked dominant (b) Sex-linked recessive (c) Sex-limited recessive (d) Autosomal dominant

Description : A man and a woman, who do not show any apparent signs of a certain inherited disease, have seven children (2 daughters and 5 sons). Three of the sons suffer from the given disease but none ... ? (a) Sex-linked dominant (b) Sex-linked recessive (c) Sex-limited recessive (d) Autosomal dominant

Last Answer : (b) Sex-linked recessive

Cri-du-chat syndrome in humans is caused by the (a) trisomy of 21st chromosome (b) fertilisation of an XX egg by a normal Y-bearing sperm (c) loss of half of the short arm of chromosome 5 (d) loss of half of the long arm of chromosome 5.

Description : Cri-du-chat syndrome in humans is caused by the (a) trisomy of 21st chromosome (b) fertilisation of an XX egg by a normal Y-bearing sperm (c) loss of half of the short arm of chromosome 5 (d) loss of half of the long arm of chromosome 5.

Last Answer : (c) loss of half of the short arm of chromosome 5

Independent assortment of genes does not take place when (a) genes are located on homologous chromosomes (b) genes are linked and located on same chromosome (c) genes are located on non-homogenous chromosome (d) all of these.

Description : Independent assortment of genes does not take place when (a) genes are located on homologous chromosomes (b) genes are linked and located on same chromosome (c) genes are located on non-homogenous chromosome (d) all of these.

Last Answer : genes are linked and located on same chromosome

Four people are sitting around a campfire after a long day of recreation, when one man comments: 'Do you realize that around this campfire, the four of us include a mother, father, brother, sister, son, daughter, niece, nephew, aunt, uncle and a couple cousins'?. If everyone is related by blood (with no unusual marriages) how is this possible? -Riddles

Description : Four people are sitting around a campfire after a long day of recreation, when one man comments: 'Do you realize that around this campfire, the four of us include a mother, father, brother, sister, ... '?. If everyone is related by blood (with no unusual marriages) how is this possible? -Riddles

Last Answer : The campfire circle includes a woman and her brother. The woman's daughter and the man's son are also present.

The human insulin gene located on the short arm of chromosome: (A) 11 (B) 17 (C) 18 (D) 20

Description : The human insulin gene located on the short arm of chromosome: (A) 11 (B) 17 (C) 18 (D) 20

Last Answer : Answer : A

Read the statements given below and identify the incorrect statement. a) The human genome contains 3164.7 million nucleotide bases. b) The average gene consists of 30,000 bp c) The total number of genes is estimated at 30,000. d) Chromosome Y has 231 genes e) Less than 2% of the genome codes for proteins.

Description : Read the statements given below and identify the incorrect statement. a) The human genome contains 3164.7 million nucleotide bases. b) The average gene consists of 30,000 bp c) The total number of genes is ... . d) Chromosome Y has 231 genes e) Less than 2% of the genome codes for proteins.

Last Answer : d) Chromosome Y has 231 genes

How many daughters did the royal couple have? -English

Description : How many daughters did the royal couple have? -English

Last Answer : The Royal couple had nine daughters.

What determines the sex of a child? (1) Chromosomes of the father (2) Chromosomes of the mother (3) Rh factor of the parents (4) Blood group of the father

Description : What determines the sex of a child? (1) Chromosomes of the father (2) Chromosomes of the mother (3) Rh factor of the parents (4) Blood group of the father

Last Answer : (1) Chromosomes of the father Explanation: In humans and several other species of animals, the father determines the sex of the child. In the XV sex-determination system, the female-provided ovum ... X chromosome or a Y chromosome, resulting in female (XX) or male (XY) offspring, respectively.

An abnormal human baby with ‘XXX’ sex chromosomes was born due to (a) fusion of two ova and one sperm (b) fusion of two sperms and one ovum (c) formation of abnormal sperms in the father (d) formation of abnormal ova in the mother.

Description : An abnormal human baby with ‘XXX’ sex chromosomes was born due to (a) fusion of two ova and one sperm (b) fusion of two sperms and one ovum (c) formation of abnormal sperms in the father (d) formation of abnormal ova in the mother.

Last Answer : (d) formation of abnormal ova in the mother.

What determines the sex of a child ? (1) Chromosomes of the father (2) Chromosomes of the mother (3) Rh factor of the parents (4) Blood group of the father

Description : What determines the sex of a child ? (1) Chromosomes of the father (2) Chromosomes of the mother (3) Rh factor of the parents (4) Blood group of the father

Last Answer : Chromosomes of the father

Which type of Mendelian inherited condition results in both genders being affected equally in a vertical pattern? a) Automosomal dominant inheritance An individual who has an autosomal dominant inherited condition carries a gene mutation for that condition on one chromosome of a pair. b) Automosomal recessive inheritance The pattern of inheritance in autosomal recessive inherited conditions is different from that of autosomal dominant inherited conditions in that it is more horizontal than vertical, with relatives of a single generation tending to have the condition. c) X-linked inheritance X-linked conditions may be inherited in families in recessive or dominant patterns.

Description : Which type of Mendelian inherited condition results in both genders being affected equally in a vertical pattern? a) Automosomal dominant inheritance An individual who has an autosomal dominant ... that combine during early embryonic development leading to incomplete closure of the neural tube.

Last Answer : a) Automosomal dominant inheritance An individual who has an autosomal dominant inherited condition carries a gene mutation for that condition on one chromosome of a pair.

A genetically diseased father (male) marries with a normal female and gives birth to 3 carrier girls and 5 normal sons. It may be which type of genetic disease? (a) Sex-influenced disease (b) Blood group inheritance disease (c) Sex-linked disease (d) Sex-recessive disease

Description : A genetically diseased father (male) marries with a normal female and gives birth to 3 carrier girls and 5 normal sons. It may be which type of genetic disease? (a) Sex-influenced disease (b) Blood group inheritance disease (c) Sex-linked disease (d) Sex-recessive disease

Last Answer : (c) Sex-linked disease

.A normal woman, whose father was colour-blind is married to a normal man. The sons would be (a) 75% colour-blind (b) 50% colour-blind (c) all normal (d) all colour-blind.

Description : .A normal woman, whose father was colour-blind is married to a normal man. The sons would be (a) 75% colour-blind (b) 50% colour-blind (c) all normal (d) all colour-blind.

Last Answer : (b) 50% colour-blind

robability of four sons to a couple is (a) 1/4 (b) 1/8 (c) 1/16 (d) 1/32.

Description : robability of four sons to a couple is (a) 1/4 (b) 1/8 (c) 1/16 (d) 1/32.

Last Answer : (c) 1/16

At what stage of division does the number of chromosomes in the offspring cell become half of the number of chromosomes in the mother cell ?

Description : At what stage of division does the number of chromosomes in the offspring cell become half of the number of chromosomes in the mother cell ?

Last Answer : The number of chromosomes in the offspring cell formed during the division of miosis-1 is half of the number of chromosomes in the mother cell.

True statements about chromosome include: a. 23 chromosomes are found in germinal cells b. in female only one chromosome is activated c. the Barr body is due to inactivated X chromosome e. all above

Description : True statements about chromosome include: a. 23 chromosomes are found in germinal cells b. in female only one chromosome is activated c. the Barr body is due to inactivated X chromosome e. all above

Last Answer : all above

.If a colour blind woman marries a normal visioned man, their sons will be (a) all colour blind (b) all normal visioned (c) one-half colour blind and one-half normal (d) three-fourths colour blind and one-fourth normal.

Description : .If a colour blind woman marries a normal visioned man, their sons will be (a) all colour blind (b) all normal visioned (c) one-half colour blind and one-half normal (d) three-fourths colour blind and one-fourth normal.

Last Answer : (a) all colour blind