When a dihybrid black,normal-winged fly is crossed with a double-recessive gray,vestigial-winged fly,the frequency with which black vestigial-winged and gray normal-winged flies are seen in the progeny is called the _______ frequency.
A) mutation
B) mitotic
C) meiotic
D) allele
E) recombination

Question

Quizplus · Accepted Answer

The frequency with which black vestigial-winged and gray normal-winged flies are seen in the progeny is due to the recombination of alleles during meiosis. Therefore, the correct term is recombinant frequency or recombination frequency. Options A, B, C, and D do not accurately describe this phenomenon.

When a Dihybrid Black,normal-Winged Fly Is Crossed with a Double-Recessive