Assertion: When the two genes in a dihybrid cross are situated on the same chromosome, the proportion of parental gene combinations is much higher than nonparental type.
Reason: Higher parental gene combinations can be attributed to crossing over betweentwo genes.

Options

A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true and R is not the correct explanation of A.
C. A is true, but R is false.
D. A is false, but R is true.

Answer

C