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, ...

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 ...

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

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 ...

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

Women can only pass on the X chromosome, while it's male sperm that determines whether a baby will be of female sex (X) or ...

IOC considers reintroducing gender testing amid controversy, with new president Kirsty Coventry signaling a change in ...