Abstract
Karyotypes are reported from 21 spider monkeys distributed among five taxa of the genus Ateles.G- and C- banding techniques revealed variations between taxa. Two variants were discovered for chromosome 5, for chromosome 7, and for the Y chromosome. Four forms of chromosome 6 were seen. The variations are all probably pericentric inversions. One individual was heteromorphic at position 6. The data are compared with prebanding reports of Ateleschromosomes and reports of five animals studied with banding techniques. The variation in Ateleschromosomes is similar in degree to that found in other ceboid genera. The variants may be related to forest refugia formed during the Plio-Pleistocene. Karyotyping of many New World primates is required to ensure a homogeneous experimental group.
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Kunkel, L.M., Heltne, P.G. & Borgaonkar, D.S. Chromosomal variation and zoogeography inAteles . Int J Primatol 1, 223–232 (1980). https://doi.org/10.1007/BF02692273
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DOI: https://doi.org/10.1007/BF02692273