A wild-type fruit fly (heterozygous for gray body and normal wings) is mated wit

Question

A wild-type fruit fly (heterozygous for gray body and normal wings) is mated with a black fly with vestigial wings. The offspring have the following phenotypic distribution? 778 wild type, 785 black-vestigial, 158 black-normal, 162 gray-vestigial. What is the recombination frequency between these genes for body color and wing size?

In another cross, a wild-type fruit fly (heterozygous for gray body color and red eyes) was mated with a black fruit fly with purple eyes. The offspring were as follows: wild type = 721; black-purple = 751; gray-purple = 49; black-red = 45. What is the recombination frequency between these genes for body color and eye color? How many map units apart are the genes for body color and eye color?

Explanation / Answer

answer : 17% --------------------------- answer :6% 94 units

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