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Sex Determination

Two Mark Ques...

Question

Two Mark Questions :
Differentiate between ZZ and XY type of sex determination mechanism.

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Solution

XY type of sex determination ZZ type of sex determination
seen in human beings seen in bird (like Hens)
male heterogamety is seen female heterogamety is seen
the female produces 2 X chromosomes while the male produces X & Y chromosome the male produces 2 Z chromosomes while the female produces Z & W chromosome

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