When a sperm containing Y chromosome fertilizes an egg with X chromosome, the zygote develops into a .......... child.

Female

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Either a male or female

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Male

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No child

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Solution

The correct option is C Male
In human, the genetic makeup of female is XX and that of male is XY. Female ovum carries X chromosome, whereas the male sperm may carry either X chromosome or a Y chromosome. Therefore, if the sperm is carrying Y chromosome fertilizes an egg with X chromosome, the zygote develops into a male child.

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Similar questions

Q. If the egg fuses with a Y chromosome-bearing sperm, the child produced is a female.

What will be the sex of the child born :

(a) if X chromosome carrying sperm fertilizes an ovum containing X chromosome?

(b) if Y chromosome carrying sperm fertilizes an ovum containing X chromosome?

Say True or False
The male gamete with Y chromosome fuses with a female gamete to form a zygote. The offspring will be a male child.

Question 8
A zygote which has an X-chromosome inherited from the father will develop into a

(a) boy
(b) girl
(c) X- chromosome does not determine the sex of a child
(d) either boy or girl

Q. The sex of a newborn child is genetically determined, Sex in human beings is determined by the presence or absence of a Y chromosome. An embryo with XX chromosomes develops into a female and an embryo with XY chromosomes develops into a male. One X chromosome is always contributed by the female parent or the mother and the sex of the embryo depends on the chromosome received in the sperm or from the male parent. Type 1 for true and 0 for flase

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