what determines the sex of a child?(give one word)
Jajnaseni:
what is the answer?
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y chromosomes determines the sex of the child
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The answer is 'sperm' because the Mother provides the 'X' chromosome, but the Father can provide an 'X' or a 'Y' chromosomes. If a zygote has two X chromosomes (XX) the zygote develops into a female. If the zygote has XY Chromosomes, it develops into a male. Hence, the sperm decides the sex of the fetus.
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