Why might missing sections of the X or Y chromosome be a bigger problem males than deletions would be in one of the X chromosomes in females?

1 Answer

Single dose of chromosomes in human males.

Explanation:

The human males have single dose of either X'' or Y'' chromosome. Loss of any of theses two sex chromosomes may show a drastinc abnormalities in male compared to females, because where two doses are found of theses chromosomes.
An affected man's body may produce no sperm cells or smaller than usual. Some men with Y chromosome infertility, who have mild to moderate fertility i.e., the oligospermia may.