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  • Title: The location of DNA homologous to human satellite III DNA in the chromosomes of chimpanzee (Pan troglodytes), gorilla (Gorilla gorilla) and orang utan (Pongo pygmaeus).
    Author: Mitchell AR, Seuanez HN, Lawrie SS, Martin DE, Gosden JR.
    Journal: Chromosoma; 1977 Jun 23; 61(4):345-58. PubMed ID: 880842.
    Abstract:
    Radioactive RNA with sequences complementary to human DNA satellite III was hybridised in situ to metaphase chromosomes of the chimpanzee (Pan troglodytes), the gorilla (Gorilla gorilla) and the orangutan (Pongo pygmaeus). A quantitative analysis of the radioactivity, and hence of the chromosomal distribution of human DNA satellite III equivalent sequences in the great apes, was undertaken, and the results compared with interspecies chromosome homologies based upon Giemsa banding patterns. In some instances DNA with sequence homology to human satellite III is present on the equivalent ("homologous") chromosomes in identical positions in two or more species although quantitative differences are observed. In other cases there appears to be no correspondence between satellite DNA location and chromosome homology determined by banding patterns. These results differ from those found for most transcribed DNA sequences where the same sequence is located on homologous chromosomes in each species.
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