The University of Montreal's Philip Awadalla, with Canadian and American collaborators, describes ties between rare alleles in the meiotic recombination-related gene PRDM9 and childhood leukemia in an early, online Genome Research study. The team picked up rare, maternally inherited PRDM9 variants when they tested two French Canadian siblings with B-cell precursor acute lymphoblastic leukemia and their unaffected parents.

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