In Drosophila,the Recessive Allele for Forked Bristles Is Sex-Linked,and the Recessive

question 24

Multiple Choice

In Drosophila,the recessive allele for forked bristles is sex-linked,and the recessive allele for purple eyes is autosomal.The wild-type alleles are for straight bristles and red eyes,respectively.A female,heterozygous for both pairs of alleles,is mated with a male with forked bristles and purple eyes.What percentage of the daughters will have forked bristles and purple eyes?

• A) 100%
• B) 75%
• C) 50%
• D) 25%
• E) 0%

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Definitions:

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