The formation of a male child depends on the | vedclass

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Question

(A) Sex is determined at the time of fertilization by the nature of the sperm that fertilizes the egg.In humans,females are homogametic $(XX)$ and mal

Vedclass · Accepted Answer

Sperms may be $X$ and $Y$

Vedclass · Answer

(A) Sex is determined at the time of fertilization by the nature of the sperm that fertilizes the egg.In humans,females are homogametic $(XX)$ and males are heterogametic $(XY)$.Sperms produced by males are of two types: $50\%$ carry the $X$ chromosome and $50\%$ carry the $Y$ chromosome.If a $Y$-bearing sperm fertilizes the egg $(X)$,the resulting zygote is $XY$,which develops into a male child.If an $X$-bearing sperm fertilizes the egg $(X)$,the resulting zygote is $XX$,which develops into a female child.

The formation of a male child depends on the sperms because

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