P, D, and Q are three genes found on a single chromosome in greyhounds. The recombination frequencies between the three genes are shown below. In which order are these genes found on the greyhound chromosome?P-D = 50% 
P-Q = 20%  
D-Q = 30% 

A. P-Q-D
B. Q-D-P
C. D-P-Q
D. P-D-Q
E. It is impossible to determine.


Answer: A

Biology & Microbiology

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