In human males all the chromosomes are paired perfectly except
(i) 21 st chromosome. (ii) Y chromosome.
(iii) small chromosome. (iv) X chromosome.

Options

A. (i) and (ii)
B. (i) and (iii)
C. (iii) and (iv)
D. (ii) and (iv)

Answer

D

Explanation

Human males have 23 pairs of autosomes and XY sex chromosomes.