title: The karyotype of Xenopus wittei Tinsley, Kobel, and Fischberg, another tetraploid anuran species (Pipidae).
mesh_terms: D000818:Animals; D002875:Chromosomes / Q000648:ultrastructure*; D005260:Female; D007621:Karyotyping; D008297:Male; D011123:Polyploidy; D013045:Species Specificity; D014981:Xenopus / Q000235:genetics*