title: Incomplete sex chromosome pairing of oligospermic male hybrids of Mus musculus and M. musculus molossinus in relation to the source of the Y chromosome and the presence or absence of a reciprocal translocation.
mesh_terms: D000818:Animals; D006579:Heterozygote; D006824:Hybridization, Genetic; D007248:Infertility, Male / Q000235:genetics / Q000662:veterinary; D008297:Male; D051379:Mice / Q000235:genetics*; D009845:Oligospermia / Q000235:genetics / Q000662:veterinary*; D012376:Rodent Diseases / Q000235:genetics*; D012730:Sex Chromosomes / Q000648:ultrastructure*; D013094:Spermatozoa / Q000648:ultrastructure; D014178:Translocation, Genetic; D014998:Y Chromosome / Q000648:ultrastructure