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07/10/2021 7:45 pm
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A fruit fly is heterozygous for sex-linked genes. When mated with a normal female fruit fly, the male-specific chromosome will enter egg cells in the proportion of
(1) 3: 1
(2) 1: 1
(3) 7: 1
(4) 1: 2
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07/10/2021 7:46 pm
Correct answer: (2) 1: 1