There are two different kinds: X and Y, which determine whether you’re biologically male (XY) or female (XX). Chromosomes themselves are made up of proteins and DNA that carry your genetic ...

Our sex chromosomes were originally a pair of typical XY chromosomes, a trait still observed in birds and reptiles. Even in ...

The Y chromosome that determines the male gender in newborns is slowly degrading, and its loss could be dangerous for elderly ...

Autoimmune diseases, including systemic lupus erythematosus (SLE), are more common in women than men, and scientists are ...

This theory, not from sci-fi, suggests a future where only females are born. While men's XY chromosomes trigger male development, the Y chromosome's current size and decline raise concerns about ...

It’s a known fact that males usually have one X and one Y chromosome (XY) as compared to females who have two X chromosomes (XX). Prof Jenny says, “The loss of genes from our Y chromosome is ...

Mutations in genes can lead to genetic disorders, impacting health. Understand the types, causes, and implications of genetic ...

Genitals, hormone levels, and chromosomes are not reliable determinants of sex. There are, for example, people with XY chromosomes who have female characteristics, people with ambiguous genitalia, and ...

In 11 million years, Earth could be home to several distinct human species, each with its unique genetic makeup.

In humans, females have two X chromosomes (XX), while males have one X and one Y chromosome (XY). The size of the X chromosome is larger than the Y chromosome and thus contains more genes that ...

"They have XY chromosomes we're told, that's a deal breaker in my book, that means they are male," Ms Rita Panahi said. "Having XY chromosomes means they have an unfair advantage against female ...