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KMID : 0377619750280020155
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Korean Jungang Medical Journal
1975 Volume.28 No. 2 p.155 ~ p.158
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Abstract
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By the Trypsin-Giemsa method, with 0.025 0, 0.05% or 0.25% trypsin solution which was dissolved in Ca & Mg-free Hanks´ solution or in physiological saline, the G-banding was demonstrated in bone marrow cells of the normal albino rat, Sprague-Dowley strain which had been held in this department, and a tentative
numbering system for the chromosomal complement of the strain was proposed (Fig. 2).
Its normal chromosome set was comprised of 42 chromosomes; 20 pairs of autosomes, and-one pair of sex chromosomes, XX or XY chromosomes.
The longer their total lengths were, the more numerous their number of bandings tended to be, and Y chromosomes were characterized by their special feature of bandings. The polymorphism of chromosomes was suggested.
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