Question

Assertion (A): The number of chromosomes in a cell and in a germ cell is not the same in any species. 

Reason (R): When 2 germ cells combine they restore the normal number of chromosomes in a species.

Answer these questions by selecting the appropriate option given below:

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 1

Correct option is (B) Both A and R are true, and R is not the correct explanation of A.

The difference in chromosome number between somatic cells and germ cells is necessary so that when two germ cells combine during reproduction, they restore the diploid number.