What statement is true about recessive sex-linked traits such as color blindness?

What statement is true about recessive sex-linked traits such as color blindness?
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Males inherit them only from their mothers -apex
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Which of the following statement(s) is/are true concerning hemophilia A? a. Hemophilia A is inherited as a sex-linked recessive deficiency of factor VIII b. A positive family history for bleeding disorders present in all patients c. Laboratory tests reveal a prolongation of aPTT, prothrombin time (PT), thrombin clotting time and platelet aggregation d. Spontaneous bleeding is unusual with factor VIII levels greater than 10% of normal

Description : Which of the following statement(s) is/are true concerning hemophilia A? a. Hemophilia A is inherited as a sex-linked recessive deficiency of factor VIII b. A positive family history for ... platelet aggregation d. Spontaneous bleeding is unusual with factor VIII levels greater than 10% of normal

Last Answer : Answer: a, d Hemophilia A is inherited as a sex-linked recessive deficiency of factor VIII although 0% of cases are secondary to spontaneous mutation. The incidence of this abnormality is ... factor levels as low as 1% have been noted and patients are at risk for spontaneous bleeding

Select the incorrect statement with regard to haemophilia. (a) It is a dominant disease.(b) A single protein involved in the clotting of blood is affected. (c) It is a sex-linked disease. (d) It is a recessive disease.

Description : Select the incorrect statement with regard to haemophilia. (a) It is a dominant disease. (b) A single protein involved in the clotting of blood is affected. (c) It is a sex-linked disease. (d) It is a recessive disease.

Last Answer : (a) It is a dominant disease.

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 a sex linked disease ! Haemophilia is due to a recessive gene.

Description : $ Haemophilia is a sex linked disease ! Haemophilia is due to a recessive gene.

Last Answer : $ Haemophilia is a sex linked disease ! Haemophilia is due to a recessive gene. A. If both As and R are ... R is wrong D. If both As and R are wrong.

Lesch-Nyhan syndrome, the sex linked, recessive absence of HGPRTase, may lead to (A) Compulsive self destructive behaviour with elevated levels of urate in serum (B) Hypouricemia due to liver damage (C) Failure to thrive and megaloblastic anemia (D) Protein intolerance and hepatic encephalopathy

Description : Lesch-Nyhan syndrome, the sex linked, recessive absence of HGPRTase, may lead to (A) Compulsive self destructive behaviour with elevated levels of urate in serum (B) Hypouricemia due to liver damage (C) Failure to thrive and megaloblastic anemia (D) Protein intolerance and hepatic encephalopathy

Last Answer : Answer : A

Lesch-Nyhan syndrome, the sex linked recessive disorder is due to the lack of the enzyme: (A) Hypoxanthine-guanine phosphoribosyl transferse (B) Xanthine oxidase (C) Adenine phosphoribosyl transferase (D) Adenosine deaminase

Description : Lesch-Nyhan syndrome, the sex linked recessive disorder is due to the lack of the enzyme: (A) Hypoxanthine-guanine phosphoribosyl transferse (B) Xanthine oxidase (C) Adenine phosphoribosyl transferase (D) Adenosine deaminase

Last Answer : Answer : A

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 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

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

Study the pedigree chart given below. What does it show? (a) Inheritance of a condition like phenylketonuria as an autosomal recessive trait. (b) The pedigree chart is wrong as this is not possible. (c) Inheritance of a recessive sex-linked disease like haemophilia. (d) Inheritance of a sex-linked inborn error of metabolism like phenylketonuria

Description : Study the pedigree chart given below. What does it show? (a) Inheritance of a condition like phenylketonuria as an autosomal recessive trait. (b) The pedigree chart is wrong as this is ... disease like haemophilia. (d) Inheritance of a sex-linked inborn error of metabolism like phenylketonuria

Last Answer : (a) Inheritance of a condition like phenylketonuria as an autosomal recessive trait.

Pick out the correct statements. (1) Haemophilia is a sex-linked recessive disease. (2) Down’s syndrome is due to aneuploidy. (3) Phenylketonuria is an autosomal recessive gene disorder. (4) Sickle cell anaemia is an X-linked recessive gene disorder. (a) (1), (3) and (4) are correct. (b) (1), (2) and (3) are correct. (c) (1) and (4) are correct. (d) (2) and (4) are correct.

Description : Pick out the correct statements. (1) Haemophilia is a sex-linked recessive disease. (2) Down's syndrome is due to aneuploidy. (3) Phenylketonuria is an autosomal recessive gene disorder. (4) Sickle cell anaemia is an X- ... are correct. (c) (1) and (4) are correct. (d) (2) and (4) are correct.

Last Answer : (b) (1), (2) and (3) are correct.

Why do sex linked traits appear more in males than in females? -Biology

Description : Why do sex linked traits appear more in males than in females? -Biology

Last Answer : answer:

Why do sex linked traits appear more in males than in females? -Biology

Description : Why do sex linked traits appear more in males than in females? -Biology

Last Answer : answer:

Why do-sex linked traits follow different patterns of inheritance than other traits?

Description : Why do-sex linked traits follow different patterns of inheritance than other traits?

Last Answer : Sexlinked traits follow a different pattern of inheritance thana non-sex linked trait because of the size difference between the Xand y chromosomes.Think about non-sex chormosomes as being the same size, eachhaving ... of the daughters will be carriers (Aa) and all the sons willbe normal (A-).

Genes for sex-linked traits are located on

Description : Genes for sex-linked traits are located on

Last Answer : Ans. “Y” chromosome

Which one is the incorrect statement with regard to the importance of pedigree analysis? (a) It confirms that DNA is the carrier of genetic information. (b) It helps to understand whether the trait in question is dominant or recessive. (c) It confirms that the trait is linked to one of the autosome. (d) It helps to trace the inheritance of a specific trait.

Description : Which one is the incorrect statement with regard to the importance of pedigree analysis? (a) It confirms that DNA is the carrier of genetic information. (b) It helps to understand whether the trait in ... linked to one of the autosome. (d) It helps to trace the inheritance of a specific trait.

Last Answer : (a) It confirms that DNA is the carrier of genetic information.

All the following statements about primary gout are true except (A) Its inheritance is X-linked recessive (B) It can be due to increased activity of PRPP synthetase (C) It can be due to increased activity of hypoxanthine guanine phosphoribosyl transferase (D) De novo synthesis of purines is increased in it

Description : All the following statements about primary gout are true except (A) Its inheritance is X-linked recessive (B) It can be due to increased activity of PRPP synthetase (C) It can be ... activity of hypoxanthine guanine phosphoribosyl transferase (D) De novo synthesis of purines is increased in it

Last Answer : Answer : C

.Which one of the following conditions in humans is correctly matched with its chromosomal abnormality/linkage? (a) Erythroblastosis fetalis - X-linked (b) Down’s syndrome - 44 autosomes + XO (c) Klinefelter’s syndrome - 44 autosomes + XXY (d) Colour blindness - Y-linked

Description : .Which one of the following conditions in humans is correctly matched with its chromosomal abnormality/linkage? (a) Erythroblastosis fetalis - X-linked (b) Down’s syndrome - 44 autosomes + XO (c) Klinefelter’s syndrome - 44 autosomes + XXY (d) Colour blindness - Y-linked

Last Answer : (c) Klinefelter’s syndrome - 44 autosomes + XXY

What type of inheritance pattern (are the A and B alleles to each other (Autosomal dominant-Regular dominant-recessive relationship, X linked, co-dominant, incomplete dominant)?

Description : What type of inheritance pattern (are the A and B alleles to each other (Autosomal dominant-Regular dominant-recessive relationship, X linked, co-dominant, incomplete dominant)?

Last Answer : Incomplete dominance

Inheritance of primary gout is (A) Autosomal recessive (B) Autosomal dominant (C) X-linked recessive (D) X-linked dominant

Description : Inheritance of primary gout is (A) Autosomal recessive (B) Autosomal dominant (C) X-linked recessive (D) X-linked dominant

Last Answer : Answer : C

Haemophilia is more commonly seen in human males than in human females because (a) a greater proportion of girls die in infancy (b) this disease is due to a Y-linked recessive mutation (c) this disease is due to an X-linked recessive mutation (d) this disease is due to an X-linked dominant mutation.

Description : Haemophilia is more commonly seen in human males than in human females because (a) a greater proportion of girls die in infancy (b) this disease is due to a Y-linked recessive mutation (c) this ... to an X-linked recessive mutation (d) this disease is due to an X-linked dominant mutation.

Last Answer : this disease is due to an X-linked recessive mutation

n the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree. (i) (ii) (iii) (iv) (a) Autosomal recessive (b) X-linked dominant (c) Autosomal dominant (d) X-linked recessive

Description : n the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree. (i) (ii) (iii) (iv) (a) Autosomal recessive (b) X-linked dominant (c) Autosomal dominant (d) X-linked recessive

Last Answer : (a) Autosomal recessive

Which of the following most appropriately describes haemophilia? (a) Chromosomal disorder (b) Dominant gene disorder (c) Recessive gene disorder (d) X-linked recessive gene disorder

Description : Which of the following most appropriately describes haemophilia? (a) Chromosomal disorder (b) Dominant gene disorder (c) Recessive gene disorder (d) X-linked recessive gene disorder

Last Answer : (d) X-linked recessive gene disorder

Select the correct match. (a) Haemophilia – Y linked (b) Phenylketonuria – Autosomal dominant trait(c) Sickle cell anaemia – Autosomal recessive trait,chromosome -11 (d) Thalassemia – X linked

Description : Select the correct match. (a) Haemophilia – Y linked (b) Phenylketonuria – Autosomal dominant trait (c) Sickle cell anaemia – Autosomal recessive trait,chromosome -11 (d) Thalassemia – X linked

Last Answer : (c) Sickle cell anaemia – Autosomal recessive trait,chromosome -11

A gene showing co-dominance has (a) alleles that are recessive to each other (b) both alleles independently expressed in the heterozygote (c) one allele dominant on the other (d) alleles tightly linked on the same chromosome.

Description : A gene showing co-dominance has (a) alleles that are recessive to each other (b) both alleles independently expressed in the heterozygote (c) one allele dominant on the other (d) alleles tightly linked on the same chromosome.

Last Answer : (b) both alleles independently expressed in the heterozygote

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.

What is the difference between dominant and recessive traits?

Description : What is the difference between dominant and recessive traits?

Last Answer : A: Dominant traits are expressed when a person has one copy of a dominant allele, while recessive traits are expressed only when a person has two copies of a recessive allele.

Difference between dominant and recessive traits. -Biology

Description : Difference between dominant and recessive traits. -Biology

Last Answer : answer:

In which generation were recessive traits hidden in all the plants in Mendel’s experiments?

Description : In which generation were recessive traits hidden in all the plants in Mendel’s experiments?

Last Answer : f2 generation

In which generation were recessive traits hidden in all the plants in Mendel and his experiments?

Description : In which generation were recessive traits hidden in all the plants in Mendel and his experiments?

Last Answer : Need answer

In which generation were recessive traits visible in a few plants in mendels?

Description : In which generation were recessive traits visible in a few plants in mendels?

Last Answer : F2 generation

How are dominant and recessive traits written?

Description : How are dominant and recessive traits written?

Last Answer : Feel Free to Answer

Which one of the following traits of garden pea studied by Mendel was a recessive feature? (a) Axial flower position (b) Green seed colour (c) Green pod colour (d) Round seed shape

Description : Which one of the following traits of garden pea studied by Mendel was a recessive feature? (a) Axial flower position (b) Green seed colour (c) Green pod colour (d) Round seed shape

Last Answer : (b) Green seed colour

Gregor Mendel concluded that traits are a. not inherited by offspring. b. inherited through the passing of factors from parents to offspring. c. determined by dominant factors only. d. determined by recessive factors only.

Description : Gregor Mendel concluded that traits are a. not inherited by offspring. b. inherited through the passing of factors from parents to offspring. c. determined by dominant factors only. d. determined by recessive factors only.

Last Answer : b. inherited through the passing of factors from parents to offspring.

Are organ and personality traits linked?

Description : Are organ and personality traits linked?

Last Answer : answer:There are plenty of movies that have used a transplanted organ as a plot device - a transplanted hand that turns the survivor into a slasher, a transplanted heart that makes the person gentler. ( ... see how an arm or a leg or a heart can convey personality traits, but anything's possible.

A test cross is carried out to (a) determine the genotype of a plant at F2 (b) predict whether two traits are linked (c) assess the number of alleles of a gene (d) determine whether two species or varieties will breed successfully.

Description : A test cross is carried out to (a) determine the genotype of a plant at F2 (b) predict whether two traits are linked (c) assess the number of alleles of a gene (d) determine whether two species or varieties will breed successfully.

Last Answer : (a) determine the genotype of a plant at F2

Which genetic disease is sex -linked ? -General Knowledge

Description : Which genetic disease is sex -linked ? -General Knowledge

Last Answer : answer:

Which genetic disease is sex -linked ? -General Knowledge

Description : Which genetic disease is sex -linked ? -General Knowledge

Last Answer : answer:

What are the human problems caused by sex linked genes ?

Description : What are the human problems caused by sex linked genes ?

Last Answer : Problems that occur in humans due to sex linked genes Color blindness: Not being able to understand the differences between different races. Hemophilia: Abnormal delay in blood circulation causes continuous ... vision. Muscular dystrophy: Muscle complications , loss of mobility at the age of ten.

What is sex linked gene ?

Description : What is sex linked gene ?

Last Answer : The sex linked gene is the gene located on the sex chromosome. There are more than 50 sex-linked genes in human sex chromosomes.

What is Sex- Linked Inheritance ?

Description : What is Sex- Linked Inheritance ?

Last Answer : Sex-linked heredity is the transmission of sex-linked traits through sex chromosomes.

$ Sicke cell anaemia is a type of pleiotropy. ! Sex linked inharitance is also called criss cross inheritance.

Description : $ Sicke cell anaemia is a type of pleiotropy. ! Sex linked inharitance is also called criss cross inheritance.

Last Answer : $ Sicke cell anaemia is a type of pleiotropy. ! Sex linked inharitance is also called criss cross inheritance ... wrong D. If both As and R are wrong.

What are some male sex-linked disorders?

Description : What are some male sex-linked disorders?

Last Answer : Baldness

How can a female inherit a sex linked trait?

Description : How can a female inherit a sex linked trait?

Last Answer : What is the answer ?

Sex-linked dominant?

Description : Sex-linked dominant?

Last Answer : DefinitionSex-linked dominant is a rare way that a trait or disorder can be passed down through families. A single abnormal gene on the X chromosome can cause a sex-linked dominant disease. ... are inherited through one of the sex chromosomes (the X or Y chromosome).Dominant inheritance occurs

The genes, which remain confined to differential region of ‘Y’ chromosome, are: (a) Autosomal genes (b) Holandric genes (c) Sex linked genes (d) Mutant genes

Description : The genes, which remain confined to differential region of ‘Y’ chromosome, are: (a) Autosomal genes (b) Holandric genes (c) Sex linked genes (d) Mutant genes

Last Answer : Ans. ((b))

Down’s syndrome is due to (a) crossing over (b) linkage (c) sex-linked inheritance (d) non-disjunction of chromosomes.

Description : Down’s syndrome is due to (a) crossing over (b) linkage (c) sex-linked inheritance (d) non-disjunction of chromosomes.

Last Answer : (d) non-disjunction of chromosomes.

The genes, which remain confined to differential region of Y-chromosome, are (a) autosomal genes (b) holandric genes (c) completely sex-linked genes (d) mutant genes.

Description : The genes, which remain confined to differential region of Y-chromosome, are (a) autosomal genes (b) holandric genes (c) completely sex-linked genes (d) mutant genes.

Last Answer : b) holandric genes

Mr. Kapoor has Bb autosomal gene pair and d allele sex-linked. What shall be proportion of Bd in sperms? (a) Zero (b) 1/2 (c) 1/4 (d) 1/8

Description : Mr. Kapoor has Bb autosomal gene pair and d allele sex-linked. What shall be proportion of Bd in sperms? (a) Zero (b) 1/2 (c) 1/4 (d) 1/8

Last Answer : (c) 1/4

A fruit fly is heterozygous for sex-linked genes, when mated with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion (a) 3 : 1 (b) 7 : 1 (c) 1 : 1 (d) 2 : 1.

Description : A fruit fly is heterozygous for sex-linked genes, when mated with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion (a) 3 : 1 (b) 7 : 1 (c) 1 : 1 (d) 2 : 1.

Last Answer : (c) 1 : 1