Biology, asked by pranotip43, 3 months ago

explain machanism of sex dermination in bird​

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Answered by Anonymous
5

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The sex chromosomes in birds are designated Z and W, and the male is the homomorphic sex (ZZ) and the female heteromorphic (ZW). ... The weight of evidence suggests that sex determination in birds is by a genic balance mechanism, in which the ratio of autosomes to Z chromosomes is the crucial factor.

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