In the ZW system of sex determination (as in birds), a male is _____________ while a female is ______________

A. ZZ : ZW
B. ZW : ZZ
C. Z0 : ZW
D. Z : ZW


A

Biology & Microbiology

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A female who is heterozygous for a recessive, sex-linked trait is a(n) ________ for that trait

Fill in the blank(s) with correct word

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