title: Meiotic nondisjunction does the two-step.
authors.forename: T
authors.initials: T
authors.lastname: Orr-Weaver
mesh_terms: D000818:Animals; D006801:Humans; D008423:Maternal Age; D008540:Meiosis / Q000235:genetics*; D009630:Nondisjunction, Genetic; D011995:Recombination, Genetic