Suppose a Three-Point Testcross Was Conducted Involving the Genes X,Y,and

Multiple Choice

Suppose a three-point testcross was conducted involving the genes X,Y,and Z.If the most abundant classes are XYz and xyZ and the rarest classes are xYZ and Xyz,which gene is in the middle?

A) X
B) Y
C) Z
D) cannot be determined
E) either Z or Y