title: Meiosis and fertility in XYY mice.
mesh_terms: D000818:Animals; D002452:Cell Count; D006801:Humans; D007248:Infertility, Male / Q000235:genetics*; D008297:Male; D008540:Meiosis; D008677:Metaphase; D051379:Mice; D008815:Mice, Inbred Strains; D008938:Mitosis; D012729:Sex Chromosome Aberrations; D013090:Spermatocytes / Q000166:cytology / Q000648:ultrastructure; D013094:Spermatozoa / Q000166:cytology / Q000648:ultrastructure; D014997:XYY Karyotype; D014998:Y Chromosome