Question 5

(Multiple Choice)

In an animal bearing the heterozygous inversion ABCDE[*]FGHI / ABGF[*]EDCHI,in one meiocyte,a crossover occurred between the D and E loci and another crossover occurred between the F and G loci.The two crossovers involved the same two chromatids.What will be the proportion of abnormal meiotic products from that meiosis? (Note: [*] = centromere.)


A)0%
B)25%
C)50%
D)100%
E)It depends on the distance between D and E and between F and G.

Answer