EvolutionHard

Question

Bird female have chromosomes arrangement as

Options

A.XY
B.XO
C.WZ
D.WW

Solution

In birds sex is determined by morhologically dissimilar pair of chromosomes. Z and W are two sex chromosomes called sex chromosomes of birds. A male bird has ZZ (homogeneticsex) arrangement while a female bird has ZW (heterogement sex) arrangement of chromosomes in birds is 69.

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