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 between two genes.
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
C. A is true but R is false
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