Credit: Kris Alavattam Early in the development of sperm, a strange event happens: the X and Y chromosomes condense into tight packages and are sequestered away from the other 44 human chromosomes.

Early in the development of sperm, a strange event happens: the X and Y chromosomes condense into tight packages and are sequestered away from the other 44 human chromosomes. If any part of this ...

June 20, 2025 The GIST Chromosomes and spindles in mature oocytes are stabilized by histone modification, study shows by Kyushu University edited by Gaby Clark, reviewed by Robert Egan Editors' notes ...

A piece of woolly mammoth skin excavated from the Siberian permafrost has been found to contain fossil chromosomes in a first-of-its-kind discovery, according to a new study. Researchers unearthed ...