Choose the True Statement Below

Multiple Choice

Choose the true statement below.

A) When two genes are over 50 map units apart,a crossover can theoretically occur 100% of the time.
B) The percentage of tetrads involved in exchange between two genes is equal to the number of recombinant progeny seen.
C) Linkage viewed from results of typical crosses always occurs when two loci are on the same chromosome.
D) When two genes are over 50 map units apart,a crossover would theoretically occur 0% of the time.
E) A single crossover on a chromosome will always yield the recombinant phenotype of the genes you are interested in.