Sex chromosome phylogenetics indicate a single transition to terrestriality in the guenons (tribe Cercopithecini).
D000222:Adaptation, Physiological; D000818:Animals; D016663:Cercopithecinae / Q000145:classification* / Q000235:genetics*; D004777:Environment; D005260:Female; D005828:Genetics, Population; D008297:Male; D010802:Phylogeny; D014960:X Chromosome / Q000235:genetics*; D014998:Y Chromosome / Q000235:genetics*