In fruit flies, red eyes (pr+_) are dominant to purple eyes (prpr) and normal wings (vg+_) are dominant to vestigial wings (vgvg). The genes are located on the same chromosome
A purebreeding red-eyed fly with vestigial wings was crossed with a pure-breeding purple-eyed fly with normal wings. All of the F1 progeny had a WT phenotype. Which of the following represents the arrangement of alleles on the F1's chromosome? A) prvg/pr+vg+
B) pr+vg/prvg+
C) prpr+/vgvg+
D) prvg/prvg
E) pr+vg+/pr+vg+
B
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