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.

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.

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