Question

How is sex determined in Human being
thomatis ally
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Answer 1

Answer:

In humans, males (XY) produce two different types of gametes, X and Y. The human female (XX) produces only one type of gametes containing X chromosomes. ... There is an equal probability of the fertilizing sperm being an X or Y chromosome. Thus, it is the genetic makeup of the sperm that determines the sex of the baby.

Answer 2

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All human beings have 23 pairs of chromosomes as the names X and Y. A female has two X chromosomes, while male has one X and one Y chromosomes.

When a sperm containing X chromosomes fertilize the egg, the zygote would have two X chromosomes and would develop into a female child.

If the sperm contributes a Y chromosome to the egg(ovum) at fertilization, the zygote would develop into a male child.