Explain the mechanism of ‘sex determination’ in birds. How does it differ from that of human beings?
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The difference between sex mechanisms of humans and birds is that the male is homomorphic (ZZ) and the female is heteromorphic (ZW) in birds, whereas the male is heteromorphic (XY) and female is homomorphic (XX) in humans.
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Answer:
sex in birds is determined by ZZ - ZW type.
in birds there are two sex chromosomes Z and W. while in human beings , sex is of XX - XY type.
male bird genetic constitution is AA + ZZ while for female it is AA+ ZW
Explanation:
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