Select the incorrect statement.

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Question

(C) In domesticated fowls,sex determination follows the $ZW-ZZ$ type mechanism,where the female is heterogametic $(ZW)$ and the male is homogametic $(

Vedclass · Accepted Answer

In domesticated fowls,the sex of the progeny depends on the type of sperm rather than the egg.

Vedclass · Answer

(C) In domesticated fowls,sex determination follows the $ZW-ZZ$ type mechanism,where the female is heterogametic $(ZW)$ and the male is homogametic $(ZZ)$. Therefore,the sex of the progeny depends on the type of egg (whether it carries $Z$ or $W$) rather than the sperm. Thus,statement $C$ is incorrect. - Male fruit flies $(Drosophila)$ are heterogametic $(XY)$,so statement $A$ is correct. - Male grasshoppers are $XO$ type,meaning $50 \%$ of sperms lack a sex chromosome,so statement $B$ is correct. - Human males are $XY$,where the $Y$ chromosome is significantly shorter than the $X$ chromosome,so statement $D$ is correct.

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