University of Adelaide researchers discovered monotremes use a completely different sex determination system than other ...

Scientists are expressing concerns about male reproductive health due to the Y chromosome's genetic material loss, ...

As the gender furore that engulfed boxing at the 2024 Paris Olympics rumbles on, the International Olympic Committee (IOC) is ...

For decades, scientists have known that platypuses and echidnas – Australia's unique egg-laying mammals – have another ...

Researchers from the University of Adelaide, in collaboration with the University of Melbourne, University of Queensland and ...

A human’s sex is genetically determined. One of our 23 pairs of chromosomes carries genes that determine the embryo’s sex; ...

"Sex differences in age-related disease are incredibly ... While the role of the X chromosome and some escape genes have been studied before, the discovery that many genes on the inactive X ...

Octopuses Have Ancient Sex Chromosomes! 🧬🐙 Posted: May 31, 2025 | Last updated: May 31, 2025 Octopuses just stunned scientists again this time with their ancient and highly unique sex ...

Imane Khelif, the Algerian boxer who won gold in Paris, is under scrutiny again as chromosome tests from 2023 indicated a male karyotype.

The present communication reports the occurrence of spontaneous non-disjunction of the sex-chromosomes in Drosophila males.

In a science first, an environmental factor is shown to alter sex development in mice before birth.

Researchers mapped Y chromosome loss across thousands of individual cells from human cancers, with disturbing results.