Assertion (A): In human being the female play a major role in determining the sex of the offspring.
Reason (R) : Women have two X-chromosomes.

Options

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

Answer

D