Consider the following recombination frequencies of three genes on chromosome 5 of a mouse:
A-D: 11 cM
A-G: 15 cM
D-G: 4 cM
Which of the following gives the correct gene sequence?

• A. A-G-D
• B. D-A-G
• C. A-D-G
• D. G-A-D

Answer: (C)