Study in mice and human cadavers hints that a brain-protective gene in the chromosome becomes more active with age.

Researchers at the Crick have uncovered which genes on the Y chromosome regulate the development of sperm and impact fertility in male mice. This research could help us understand why some men don ...

Greek philosopher Empedocles thought that different temperatures produced different sexes—while others were decidedly ...

Successful meiosis requires the silencing of both the X and Y chromosomes during a particular window of time. Genes on the Y chromosome regulate this process and could only be heritably transposed to ...

“In typical aging, women have a brain that looks younger, with fewer cognitive deficits compared to men,” said Dr. Dena Dubal ...

Human biological sex is determined by the sex chromosomes X and Y. In most cases, females possess two X chromosomes, while males have one X and one Y. However, there is some evidence that the Y ...

A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

The X and Y chromosomes, commonly referred to ... Created with Sketch. The X chromosome carries at least 150 genes linked to intelligence. Since the mother has two X chromosomes to pass along ...

he said. Phillippy and his colleagues found 110 new genes, 41 of which are predicted to code for proteins. The majority were extra copies of the TSPY gene, which is involved in sperm production. It’s ...

The X and Y chromosomes, commonly referred to ... Created with Sketch. The X chromosome carries at least 150 genes linked to intelligence. Since the mother has two X chromosomes to pass along ...

Small sections of the chromosome, called genes, code for the RNA and protein ... The sex chromosomes in humans are called X and Y. Females carry two X chromosomes, while males carry one X and ...