Which of the following is responsible for sex | vedclass

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(A) In birds,including chicks,sex determination follows the $ZW-ZZ$ type system.In this system,the female is heterogametic $(ZW)$ and the male is homo

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Ovum

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(A) In birds,including chicks,sex determination follows the $ZW-ZZ$ type system.In this system,the female is heterogametic $(ZW)$ and the male is homogametic $(ZZ)$.Since the female produces two types of gametes ($Z$ and $W$),the sex of the offspring is determined by the egg (ovum) provided by the female.Therefore,the ovum is responsible for sex determination in chicks.

Which of the following is responsible for sex determination in chicks?

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