Assume That the Genes for Tan Body and Bare Wings

Multiple Choice

Assume that the genes for tan body and bare wings are 15 map units apart on chromosome II in Drosophila.Assume also that a tan-bodied,bare-winged female was mated to a wild-type male and that the resulting F₁ phenotypically wild-type females were mated to tan-bodied,bare-winged males.Of 1000 offspring,what would be the expected of wild-type offspring,and in what numbers would they be expected?

A) 75
B) 425
C) 50
D) 350
E) 8