Researchers are gaining a new appreciation for the genes on the X and Y chromosomes and how they shape sex differences in ...

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New research shows the X chromosome influences disease risk, immunity and drug response beyond its role in sex.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The 23 rd chromosome base pair contains what are known as our sex chromosomes. For most females, this ...

Is the end of men near? Scientists warn the Y chromosome, key to male identity, is shrinking fast after 166 million years of ...

The Y chromosome is perhaps the most puzzling part of the human genome. Associated with male development, it is chock-full of repetitive and inverted stretches of DNA, a hurdle that makes it ...

Earlier this year, the often overlooked issue of differences in sex development came to the fore after two women boxers were allowed to compete in the Olympics after previously failing a gender ...

New chromosome-level evidence suggests Medicago evolution followed a more complex, and surprising path, than previously ...

A research team led by geneticist Jeannie Lee at Harvard Medical School, cell biologist Jeanne Lawrence at UMass Chan Medical ...

Genome duplication probably gave biodiversity a decisive evolutionary boost. A Chinese-German research team led by Axel Meyer ...

One of the biggest challenges in cancer research is understanding why some tumor cells become especially aggressive, invasive ...