title: Causal basis of chromosome abnormalities.
mesh_terms: D000367:Age Factors; D000375:Aging; D000782:Aneuploidy; D000818:Animals; D002869:Chromosome Aberrations / Q000139:chemically induced / Q000209:etiology*; D025063:Chromosome Disorders; D002875:Chromosomes / Q000187:drug effects / Q000528:radiation effects; D004777:Environment; D006801:Humans; D008297:Male; D008540:Meiosis; D008938:Mitosis; D011123:Polyploidy; D011830:Radiation Effects; D012737:Sex Factors; D013091:Spermatogenesis; D013094:Spermatozoa