Differential staining of interspecific chromosomes in somatic cell hybrids by alkaline Giemsa stain

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Abstract
Staining of chromosome preparations of Chinese hamster-human hybrid cells and mouse-chimpanzee hybrids with alkaline Giemsa has yielded color differentiation of the interspecific chromosomes. Bicolor chromosomes, indicating apparent translocations also are observed for each of these hybrids. The specific color differences observed provide a rapid means of recognizing and aiding in the identification of the interspecific chromosomes and apparent translocations in these somatic cell hybrids.