Constitutive heterochromatin polymorphism in Lagothrix lagothricha cana, Cebus apella, and Cebus capucinus

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Abstract
We describe the C‐bands in the karyotypes of Lagothrix lagothricha cana, Cebus apella and Cebus capucinus. The C‐banding patterns show both a high degree of polymorphism as well as the presence of terminal and interstitial C‐bands. Varying amounts of heterochromatin result in dimorphism of some chromosome pairs. The high incidence of chromosome rearrangements found in the Cebidae may be due to the presence of terminal and interstitial C‐bands.