Male Y chromosome facilitates the evolution of sex differences in body size

Females and males differ in many ways and yet they share the same genome. The only exception is the male Y chromosome. Using beetles as a study system, new research shows that despite of the Y chromosome containing very few genes, it can dramatically change male body size and thus facilitate the evolution of sex differences.

from Top Health News -- ScienceDaily https://ift.tt/3sJdIKu