Heterochromatin and cytogenetic polymorphisms in Cebus apella (Cebidae, Platyrrhini)

M. Ponsà, M. García, A. Borell, F. Garcia, J. Egozcue, M. A. Gorostiaga, A. Delprat, M. Mudry

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    20 Citations (Scopus)

    Abstract

    Cytogenetic studies have been carried out in 39 specimens of C. apella of different origins. Three different morphologies, one affecting the long arm of chromosome 4 and two affecting pair 17, have been detected. In each case, they can be related by paracentric inversions. Heterochromatin polymorphisms affecting terminal or interstitial C+ regions have also been observed. The length of the terminal heterochromatic region in the long arms of chromosome 11 is variable in C. apella sp., in C. a. paraguayanus and absent in the C. a. nigritus specimens studied. Interstitial C + bands can be observed in the long arms of the biarmed chromosomes 4 and 6, and in the long arms of the acrocentric pairs 12, 13, 17, 18, 19, 20, and 21. Interstitial C + bands in the long arms of chromosomes 4, 12, 17, and 19 are present in all animals studied, although their size is variable, especially in the case of chromosomes 17 and 19. © 1995 Wiley‐Liss, Inc. Copyright © 1995 Wiley‐Liss, Inc., A Wiley Company
    Original languageEnglish
    Pages (from-to)325-331
    JournalAmerican Journal of Primatology
    Volume37
    DOIs
    Publication statusPublished - 1 Jan 1995

    Keywords

    • C+ bands
    • Cebus sp.
    • cytogenetic studies
    • heterochromatin polymorphisms

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