Question

In human males, all the chromosomes are paired perfectly except one. These unpaired chromosomes are ______ 

(i) Large chromosome

(ii) Small chromosome

(iii) Y chromosome

(iv) X chromosome

Options

• (i) and (ii)

• (iii) and (ii)

• (iii) and (iv)

• (ii) and (iv)

Answer 1

(iii) and (iv)

Explanation:

X and Y are sex chromosomes.