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

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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 contributes an X chromosome and the maleprovided sperm contributes either an X chromosome or a Y chromosome, resulting in female (XX) or male (XY) offspring, respectively.

Related questions

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

Description : Explain the mechanism of sex determination in humans. Or With the help of a flow chart explain in brief how the sex of a newborn is genetically determined in human beings. Which of the two parents, the mother or the father, is responsible for determination of sex of a child? -Biology

Last Answer : Mechanism of Sex Determination in Human Beings: In human beings, the sex of the individual is genetically determined.Sex determination is the process by which sex of a new born individual can be ... happens at fertilisation. Thus, father is responsible for the determination of the sex of a child.

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.

Description : Which one of the following conditions correctly describes the manner of determining the sex? (a) Homozygous sex chromosomes (ZZ) determine female sex in birds. (b) XO type of sex chromosomes ... s syndrome, determines female sex. (d) Homozygous sex chromosomes (XX) produce male in Drosophila.

Last Answer : (b) XO type of sex chromosomes determine male sex in grasshopper.

Description : What happens during delivery when a mother has rh negative blood and the child does not?

Last Answer : If a mother is RH negative, and the father is RH positive, this can cause severe health problems when the unborn child develops RH positive blood. If mother and baby's blood mix, the mother's blood ... attack the baby's blood cells. This could cause illness, brain damage, or even death in the child.

Description : By which the sex of a child is determined before birth? (1) Sperms of father (2) Foetus of mother (3) Both (1) and (2) (4) Nutrition of mother

Last Answer : (2) Foetus of mother Explanation: The gender of the baby can be ascertained accurately after more or less than seven weeks of pregnancy. During this period of pregnancy, the fetal DNA is ... in the mother's blood. Thus, identifying the fetus gender through prenatal gender testing is easier.

Description : By which the sex of a child is determined before birth ? (1) Sperms of father (2) Foetus of mother (3) Both (1) and (2) (4) Nutrition of mother

Last Answer : Foetus of mother

Description : $ The blood vessels called arteries have thick walls. ! Blood transfusion should not be done without testing the blood group and Rh factor.

Last Answer : $ The blood vessels called arteries have thick walls. ! Blood transfusion should not be done without testing ... wrong D. If both As and R are wrong.

Description : A mother of blood group O has a group O child. What could be the blood group of father of the child? (1) Only O (2) A or B or O (3) A or B (4) Only AB

Last Answer : (2) A or B or O

Description : What chromosomes determine the sex of the child?

Last Answer : the males X and Y chromosomes and the females X chromosomes

Description : The Rh antibodies from the mother (Rh-ve) can leak into the blood of the foetus (Rh `+ve)` and destroy the `:-`

Last Answer : The Rh antibodies from the mother (Rh-ve) can leak into the blood of the foetus (Rh `+ve)` and destroy ... RBCs C. Foetal WBCs D. both (1) and (2)

Description : Single parents with children out of wedlock, do you think courts and case workers look differently on child support/custody arrangements if the petitioner is the father versus the mother?

Last Answer : I know, in some states (like SC, for example) if you have the child at least 14 days out of a month, you don't have to pay child support. Are you asking if I'd want my son to petition for partial ... to court, to settle the child support, so the girl couldn't come back and claim my son didn't pay

Description : Parents are followers of the hypocrite Pir , what should a child do ? My father died ten years ago and he used to pray five times , but at home. And both father and mother were disciples of Atarshi. ... the answer to this question ? Since I don't know much about Atarshi Pir. Obliged by the answer.

Last Answer : All Haqqani Ulama Mashayikh agree that the said Pir was a hypocrite . Originally, the man was just a metric pass. (See! Atarshir Darbar Atarshir Kafela , page-13 , date of publication , January 1974. ... pray for you , may Allah accept you as a great scholar. May Allah guide your mother. Amen.

Description : Of both normal parents, the chances of a male child becoming colour blind are (a) none (b) possible only when all the four grand parents had normal vision (c) possible only when father’s mother was colour blind (d) possible only when mother’s father was colour blind.

Last Answer : (d) possible only when mother’s father was colour blind.

Description : Of the total number of genes inherited by a child (1) more are from the father (2) more are from the mother (3) there are an equal number from each parent (4) there is never a constant number from the parents

Last Answer : there are an equal number from each parent

Description : ”The sex of the children is determined by what they inherit from their father and not their mother.” Justify. -Biology

Last Answer : It is because a child who inherits an X chromosome from her father will be a girl and one who inherits a Y chromosome from his father will be a boy. But all children inherit a X chromosome from their mother regardless of whether they are boys or girls.

Description : .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

Last Answer : (c) one X-chromosome of mother

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

Description : All the following are associated with hemolytic disease of the newborn except: a. It is one of the most common diseases among Americans. b. It may occur if an Rh (-) female conceives a child who ... antibodies. d. It can be prevented by using rhogam. 16 Which one of the following applies to the

Last Answer : b. It may occur if an Rh (-) female conceives a child who is Rh (+).

Description : What is Rh factor in the blood? -Biology

Last Answer : answer:

Description : Assertion `:-` Rh factor is considered in blood transfusion. Reason `:-` Rh antigen may leads agglutination of blood.

Last Answer : Assertion `:-` Rh factor is considered in blood transfusion. Reason `:-` Rh antigen may leads ... . D. If both Assertion & Reason are false.

Description : The problem, due to Rh– factor arises when the blood of two (Rh+ and Rh–) mix up (a) during pregnancy (b) in a test tube (c) through transfusion (d) both (a) and (c)

Last Answer : (d) both (a) and (c)

Description : if a mother blood type o+ the father blood type is b+ the child is a+ can he be father that child?

Last Answer : No. The mother only has type O antigens and the father has type B (and possibly O). Neither of them could have supplied the type A antigens to the child.

Description : Transfusions of blood products can be associated with a number of complications including immediate and delayed hemolytic reactions; nonhemolytic reactions; infectious disease transmission; and ... d. Routine impaired calcium supplementation is necessary during most massive transfusion episodes

Last Answer : Answer: a, c Immediate hemolytic reactions are usually caused by blood group ABO incompatibility although they may be caused by antigens of other blood group systems ... when associated with massive transfusion during complex intraoperative procedures such as thoracoabdominal aneurysm resection

Description : Erythroblastosis fetalis and neonatal hemolytic anemia are caused by a maternal immune response to which fetal blood group antigen: A A. Rh B. P C. MN D. None of these

Last Answer : Rh

Description : (a) If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human: (i) Sperm (ii) Zygote (b) Name an animal in which individuals can change sex. What does this indicate? -Science

Last Answer : (a) A normal human being has 46 chromosomes in which 23 chromosomes come from males and 23 chromosomes come from female. (i) Sperms coming from males have 23 chromosomes. (ii) Zygote forming in ... chromosomes in all. (b) Snail. This indicates that sex is not determined genetically in such animals.

Description : Which best describes the sex chromosomes in humans?

Last Answer : Humans have 22 pairs of homologous non-sex chromosomes (called autosomes), and one pair of sex chromosomes, making a total of 46 chromosomes in a genetically normal human.Each member of a pair is inherited ... a homologous pair of sex chromosomes (two Xs), while males have an X and a Y chromosome.

Description : How many sex chromosomes ?

Last Answer : Two sex chromosomes.

Description : How many pairs of sex chromosomes ?

Last Answer : 1 pair of sex chromosomes

Description : $ The term chromosome was introduced by Waldeyer. ! Sex chromosomes are also called Heterosomes.

Last Answer : $ The term chromosome was introduced by Waldeyer. ! Sex chromosomes are also called Heterosomes. A. If both ... wrong D. If both As and R are wrong.

Description : If a naked mole rat has 27 chromosomes in its sex cellshow many chromosomes would it have in its body cells?

Last Answer : Need answer

Description : Why is it important that sex cells have half the numbers as chromosomes as body as body cells?

Last Answer : This happens so the genetic material from both parents combinesto make new set.

Description : How many chromosomes does a elephant have in a sex cell?

Last Answer : Need answer

Description : In normal human sex cells contain the number of chromosomes?

Last Answer : I'm guessing you mean germ cells (oocyte and sperm). Each onehas 23 chromosomes (haploid), so when they fuse they make a fullcell (46 chromosomes-diplod).

Description : What Traits controlled by genes located on sex chromosomes are what kind of traits?

Last Answer : If a gene is found on the X chromosome (and, less commonly onthe Y chromosome), it is said to be asex-linked trait.There are about 1,098 human X-linked genes. Most of them codefor ... blindness.X-linked genes are also responsible for a common form ofbaldness referred to as "male pattern baldness".

Description : How are sex chromosomes of human males and females alike How are they different?

Last Answer : Need answer

Description : What is A situation in which genes are attached to an organisms sex chromosomes the sex of an organism influences the expression of a gene?

Last Answer : s.e.x linked

Description : What Traits controlled by genes located on sex chromosomes are what kind of traits?

Last Answer : If a gene is found on the X chromosome (and, less commonly onthe Y chromosome), it is said to be asex-linked trait.There are about 1,098 human X-linked genes. Most of them codefor ... blindness.X-linked genes are also responsible for a common form ofbaldness referred to as "male pattern baldness".

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.

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

Description : .A person with the sex chromosomes XXY suffers from (a) gynandromorphism (b) Klinefelter’s syndrome (c) Down’s syndrome (d) Turner’s syndrome.

Last Answer : (b) Klinefelter’s syndrome

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

Description : If Mendel had studied the seven traits using a plant with 12 chromosomes instead of 14, in what way would his interpretation have been different? (a) He would not have discovered the law of ... c) He could have mapped the chromosome. (d) He would have discovered blending or incomplete dominance.

Last Answer : He would not have discovered the law of

Description : Meiosis II performs (a) separation of sex chromosomes (b) synthesis of DNA and centromere (c) separation of homologous chromosomes (d) separation of chromatids.

Last Answer : d) separation of chromatids.

Description : Select the incorrect match. (a) Lampbrush – Diplotene bivalents chromosomes (b) Allosomes – Sex chromosomes (c) Sub-metacentric – L-shaped chromosomes chromosomes (d) Polytene – Oocytes of chromosomes amphibians

Last Answer : (d) Polytene – Oocytes of chromosomes amphibians

Description : Select the incorrect match : (1) Lampbrush – Diplotene bivalents chromosomes (2) Allosomes – Sex chromosomes (3) Submetacentric – L-shaped chromososmes chromosomes (4) Polytene – Oocytes of amphibians chromosomes

Last Answer : (4) Polytene – Oocytes of amphibians chromosomes

Description : The chromosomes responsible for characteristics other than sex are known by which of the following terms? a) ribosomes b) lysosomes c) autosomes d) spermatocytes

Last Answer : ANSWER: C -- AUTOSOMES 

Description : Allosomes are (1) cell organelles (2) plant hormones (3) alleles (4) sex chromosomes

Last Answer : sex chromosomes

Description : A colour blind girl is rare because she will be born only when (a) her mother and maternal grand father were colour blind (b) her father and maternal grand father were colour blind (c) ... blind and father has normal vision (d) parents have normal vision but grand parents were colour blind

Last Answer : b) her father and maternal grand father were colour blind

Description : Fathima's father was 76 years of age when she was born while her mother was 72years old when her brother 8 years younger to her was born. What is the difference between the ages of her parents? a)12 years b)14 years c)16 years d)18 years

Last Answer : A Mother's age when Fathima 's brother was born = 72 years. Father's age when Fathima 's brother was born = (76+8) years = 84 years. Required difference = (84-72) years = 12 years