sex of child is determined by
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A child's gender (male or female) is determined by the chromosome that the male parent contributes. Females have XX sex chromosomes. Males have XY sex chromosomes. A male infant results if the male contributes his Y chromosome while a female infant results if he contributes his X chromosome
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The Sex of a child is determined by chromosomes.
Explanation:
the Zygote is formed due to fusion of sperm and ovum. The zygote then becomes embryo, then a foetus and ultimately a full grown organism (baby).
There is one pair of sex chromosomes.
Ovum has 2 X chromosomes, while Sperm has 1 X or 1Y. iF X fuses with X, it is a girl, if Y fuses with X, it is a boy
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