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Women's chromosome division different from men's

Error more likely as human eggs prepare genetic material

PHILADELPHIA — Women and men sometimes do things differently, right down to divvying up their genetic legacies.

This divvying up is known as meiosis, a process that cuts the number of chromosomes in half during the production of eggs and sperm. Men do meiosis by the textbook, but women play it looser with the process, scientists from Washington State University and the University of Washington reported Nov. 12 in Philadelphia at the annual meeting of the American Society of Human Genetics.

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