Which sex in birds is heterogametic?
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mammals males are the heterogametic sex as they have one X and one Y chromosome, whereas females are the homogametic sex, because they have two X's. In contrast, female birds are the heterogametic sex, having one Z and one W chromosome, whereas males have two Z chromosomes.
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hi frnd....
in birds females are heterogametic becoz of two different chromosomes ie Z and W ....
hope it helps....
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