Thursday, August 18, 2011

What percentage of the daughters will have forked bristles and purple eyes?

In Drosophila, the recessive allele for forked bristles is -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?

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