Assertion (A) : The sex of a child in human beings will be determined by the type of chromosome he/she inherits from the father.
Reason (R ) : A child who inherits 'X' chromosome from his father would be a girl (XX) , while a child who inherits a 'Y' chromosome from the father would be a boy (XY).

Options

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

Answer

A

Explanation

Both (A) and (R ) are true and (R ) is correct explanation of the assertion.