Human Reproduction Question 60
60. Freshly released human egg has
(a) one Y-chromosome
(b) one X-chromosome
(c) two X-chromosomes
(d) one X-chromosome & one Y-chromosome
Show Answer
Answer : b
Hints & Solutions
(b) Human female has $X X$ chromosomes. When eggs formed each egg carries 22 autosomes and one $X$ chromosome. In human male each sperm carries 22 autosomes and either X or Y-chromosomes.
