The following is a map of four genes on a chromosome:
Figure 15.1
Between which two genes would you expect the highest frequency of recombination?
A)A and W
B)W and E
C)E and G
D)A and E
E)A and G

Question

The following is a map of four genes on a chromosome: 
Figure 15.1
Between which two genes would you expect the highest frequency of recombination?
A)A and W 
B)W and E 
C)E and G 
D)A and E 
E)A and G

Quizplus · Accepted Answer

Genes A and G are the farthest apart on the chromosome, which increases the likelihood of cross-over events occurring between them during meiosis. Therefore, we would expect the highest frequency of recombination to occur between genes A and G.

The Following Is a Map of Four Genes on a Chromosome