title: Spermatocyte loss in XYY mice.
mesh_terms: D000818:Animals; D002470:Cell Survival; D008297:Male; D008540:Meiosis; D008957:Models, Genetic; D012729:Sex Chromosome Aberrations / Q000235:genetics*; D013090:Spermatocytes; D013094:Spermatozoa; D014997:XYY Karyotype / Q000235:genetics*