Describe the mechanism of sex determination i | vedclass

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Question

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

Vedclass · Accepted Answer

Female heterogamety $(ZZ-ZW)$

Vedclass · Answer

(B) In birds,sex determination follows the $ZW-ZZ$ type mechanism.In this system,the female is heterogametic,meaning she produces two different types of gametes,carrying either a $Z$ or a $W$ chromosome.The male is homogametic,producing gametes that all carry a $Z$ chromosome.Therefore,the sex of the offspring is determined by the type of egg fertilized by the sperm. If an egg with a $Z$ chromosome is fertilized,the offspring is male $(ZZ)$,and if an egg with a $W$ chromosome is fertilized,the offspring is female $(ZW)$.

Describe the mechanism of sex determination in birds.

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