Why it is scientifically correct to say that | vedclass

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Question

Due to heterozygosity in male sex chromosomes $(XY)$, the sex of baby is decided by the kind of sperm (having $X$ or $Y$) approaching female ovum (whi

Vedclass · Accepted Answer

Human female is $XX$, whereas male is $XY$, $50\;\%$ of sperms carry the $X$ chromosome while other $50\;\%$ carry $Y$ chromosome

Vedclass · Answer

Due to heterozygosity in male sex chromosomes $(XY)$, the sex of baby is decided by the kind of sperm (having $X$ or $Y$) approaching female ovum (which has $X$)

Why it is scientifically correct to say that sex of the baby is determined by the father and not by the mother?

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