The X and Y chromosomes, commonly referred to as the sex chromosomes, are one such pair. They determine the biological sex, reproductive organs, and sexual characteristics that develop in a person.

After hours: January 17 at 7:59:48 PM EST Loading Chart for X ...

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The big showdown is set for tonight in Melbourne between Novak Djokovic and Carlos Alcaraz. The super showdown will see Djokovic try to break a 2-match losing streak to the Spaniard in Slams after ...

30, 2024 — Geneticists have deciphered the prehistory of aurochs -- the animals that were the focus of some of the most iconic early human art -- by analyzing 38 genomes harvested from bones ...

Jan. 15, 2025 — A groundbreaking study finds evidence that land was inherited through the female line in Iron Age Britain, with husbands moving to live with their wife's community. This is ...