Question

In a human, how many chromosomes are present in :

(a) a brain cell ?

(b) a sperm in the testes ?

(c) an egg which has just been produced by the ovary ?

(d) a skin cell ?

(e) a fertilised egg ?

Answer 1

(a) 46.
(b) 23.
(c) 23.
(d) 46.
(e) 46.