title: Correction of the evaluation of recombination in meiosis I and II nondisjunction in trisomy 21.
authors.forename: S
authors.initials: S
authors.lastname: Sherman
mesh_terms: D002891:Chromosomes, Human, Pair 21; D004314:Down Syndrome / Q000235:genetics*; D005260:Female; D008040:Genetic Linkage / Q000235:genetics; D005819:Genetic Markers / Q000235:genetics; D006801:Humans; D008540:Meiosis / Q000235:genetics*; D009630:Nondisjunction, Genetic; D011995:Recombination, Genetic / Q000235:genetics*
chemical_list: D005819:Genetic Markers