Refer to Figure 15 $\text {The numbers in the boxes are the recombination}$

Multiple Choice

Refer to Figure 15.2 to answer the following questions.

$\text {The numbers in the boxes are the recombination}$
$\text {frequencies in between the genes (in percent) .}$

Figure 15.2
-In a series of mapping experiments, the recombination frequencies for four different linked genes of Drosophila were determined as shown in the figure. What is the order of these genes on a chromosome map?

A) rb-cn-vg-b
B) vg-b-rb-cn
C) cn-rb-b-vg
D) b-rb-cn-vg
E) vg-cn-b-rb