Principles of Inheritance and Variation Question 115
115. Diploid chromosome number in humans is
(a) 46
(b) 44
(c) 48
(d) 42
Show Answer
Answer : a
Hints & Solution
(a) Chromosomes occur in homologous pairs. Somatic cells have diploid number of chromosomes. Humans have 23 pairs i.e. 46 chromosomes. 22 pairs of autosomes and 1 pair of sex chromosomes i.e., XX in females and $XY$ in males.
