Name: Heterochromatin, colchicine, and karyotype
Creator: S G, SMITH
Keywords: Coleoptera, Pharmacology, Heterochromatin, Karyometry, Karyotyping, Research, Karyotype, Animals, Hybridization, Genetic, Colchicine

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1965 English Publisher:Springer Science and Business Media LLCJournal:Chromosoma, volume 16, pages 162-165 (issn: 0009-5915, eissn: 1432-0886,

Authors: S G, SMITH;

doi: 10.1007/bf00320946

pmid: 14340394

Heterochromatin, colchicine, and karyotype

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Abstract

Species of Chilocorus differ in chromosome number owing to centric fusion of metacentric chromosomes. The concomitant loss of arms is tolerated because in all unfused chromosomes one arm is completely heterochromatic, the other euchromatic. Under the influence of colchicine, the arms of unfused and fused chromosomes contract differentially. Unless the distribution of heterochromatin is known, karyotype analysis is destined to failure.

Keywords

Coleoptera, Pharmacology, Heterochromatin, Karyometry, Karyotyping, Research, Karyotype, Animals, Hybridization, Genetic, Colchicine, Chromosomes

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