In which of the following is sex determinatio | vedclass

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(C) In birds,sex determination follows the $ZW-ZZ$ type mechanism.In this system,the female is heterogametic $(ZW)$,meaning she produces two types of

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Birds

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(C) In birds,sex determination follows the $ZW-ZZ$ type mechanism.In this system,the female is heterogametic $(ZW)$,meaning she produces two types of gametes,while the male is homogametic $(ZZ)$.Therefore,the sex of the offspring is determined by the type of egg (ovum) contributed by the female.In humans,$Drosophila$,and grasshoppers,the male is heterogametic ($XY$ or $XO$),and the sex is determined by the sperm.

In which of the following is sex determination carried out by the female?

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