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प्रश्न
A zygote which has Y chromosome inherited from the father will develop into a ______.
विकल्प
Will depend on the chromosome inherited from the mother
Girl
Either boy or a girl
Boy
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उत्तर
A zygote which has Y chromosome inherited from the father will develop into a boy.
Explanation:
The combination will have XY set in this regard because the mother always carries the X chromosome. That will be a boy, then.
APPEARS IN
संबंधित प्रश्न
Differentiate between male and female heterogamety.
Write notes on sex determination in the unborn baby.
Does genetic combination of mother play a significant role in determining the sex of a new born baby?
A couple with a newborn baby is troubled that the child does not resemble either of them. Suspecting that a mixup occurred at the hospital, they check the blood type of the infant. It is type O. Because the father is type A and the mother type B, they conclude that a mixup has definitely occurred. Are they correct? Give reason for your answer.
Name two animals which have nineteen pairs of chromosomes.
Drone of the honeybees shows haploid number of chromosomes. Illustrate.
Explain the mechanism of sex determination in birds.
Some dinosaurs had feathers although they could not fly but birds have feathers that help them to fly. In the context of evolution this means that
In humans, males are heterogametic and females are homogametic. Explain. Are there any examples where males are homogametic and females heterogametic?
All human chromosomes ate not paired. Most human chromosomes have a maternal and a paternal copy, and we have 22 such pairs. But one pair called the sex chromosomes, is odd in not always being a perfect pair. Women have a perfect pair of sex chromosomes. But men have a mismatched pair in which one is normal sized while the other is a short one.
(a) In humans, how many chromosomes are present in a Zygote and in each gamete?
(b) A few reptiles rely entirely on environmental cues for sex determination. Comment.
(c) "The sex of a child is a matter of chance and none of the parents are considered to be responsible for it." Justify it through flow chart only.
OR
(c) Why do all the gametes formed in human females have an X chromosome?
