Question

In human males all the chromosomes are paired perfectly except one.this unpaired chromosome is
1. large chromosome
2.small chromoaome 3.y-chromosome 4.x-choromosome
option 1- 1&2
2- 3only
3- 3&4
4- 2&4​

Answer 1

Explanation:

In human males, the 23

rd

pair of chromosomes, or the sex chromosome pair, is not perfectly paired, and contains one X and one Y chromosomes. This combination determines the gender of the individual in humans.

So, the correct answer is 3