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Science & Environment News

Phys.org

Science & Environment / Phys.org

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Unexpected source of genetic diversity found in human sperm

Scientists have identified an unexpected source of genetic variation in human sperm that occurs earlier in sperm development than previously thought. Published in Nature, researchers at the Wellcome Sanger Institute, the University of Cambridge and their collaborators found that one type of genetic recombination involving chromosomes, called non-crossover gene conversion, happens before the cell divisions that produce sperm.

27 Aug 2026 2:30 am