Human biological sex is determined by the sex chromosomes X and Y. In most cases, females possess two X chromosomes, while ...

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 ...

The Y chromosome is at risk of extinction – which may result in new species of humans. That isn’t the plot for a dystopian sci-fi film, but genuine scientific theory. Back in school ...

Each human cell contains 23 pairs of chromosomes that carry DNA within their nucleus. The X and Y chromosomes, commonly referred to as the sex chromosomes, are one such pair. They determine the ...

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

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

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

Das Y-Chromosom, Träger der männlichen Identität, verblasst allmählich. Bedeutet sein Verschwinden das Ende der menschlichen Spezies? Eine jüngste Entdeckung bei Stachelratten aus Japan gibt ...

Scientists at the University of Virginia have discovered that as men age, they often lose the Y chromosome in some of their ...

Y CHROMOSOME (17A: One half of some genetic pairings) YE OLDE SHOPPE (24A: Quaint store name in tourist towns) YET HERE WE ...

Wir haben gezeigt, dass die Größe der Würfe bei der Geburt bei heterogametischen Weibchen, die natürlicherweise ein Y-Chromosom tragen (X*Y), mit zunehmendem Alter signifikant schneller abnimmt als ...

Each human cell contains 23 pairs of chromosomes that carry DNA within their nucleus. The X and Y chromosomes, commonly referred to as the sex chromosomes, are one such pair. They determine the ...