Assertion (A): At puberty only 60,000-80,000 primary follicles are left in each ovary. Reason (R): A large number of primary follicles degenerate during the phase from birth to puberty. Regarding (A) and (R):

Question

( a ) Both A and R are correct but R is not the correct explanation for A
( b ) Both A and R are correct & R is the correct explanation for A
( c ) A is correct but R is incorrect
( d ) A is incorrect but R is correct