Researchers have found a new way of distinguishing the sexes in mammals
An Amami spiny ratASATO KUROIWA
28/11/2022
Updated 11/29/2022 at 01:47 a.m.
In mammals, the distinction between male and female is due to the X and Y chromosomes. Females typically have two X chromosomes (XX), while males have one X and one Y (XY) chromosome. The same thing happens in the species …
