Deep within the cells of mice, a genetic arms race is unfolding between X and Y chromosome genes, battling for dominance in ...

While this internal rivalry is usually hard to see, it becomes clearer when it involves genes on the X and Y chromosomes, ...

In evolutionary terms, fitness is defined as an organism's ability to survive and reproduce its genes into the next ...

When it comes to genetics, children get a mix of traits from both parents. But, it might be a surprise for some people that ...

This competition, or arms race, is typically hard to observe–except when the genes in question live on the X and Y chromosomes, which determine the sex of offspring in mammals. In mice ...

The FDA has recently approved two new prophylactic treatments for people with hemophilia who develop antibodies to clotting ...

Females have two X chromosomes (XX). Males have one X and one Y chromosome (XY). All eggs contain one X chromosome. Half of sperm contain one X chromosome and half contain one Y chromosome.