60.Drosophila malerkotlianaにおけるY染色体変異とB染色体
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概要
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We have investigated the karyotypes of isofemale lines of Drosophila malerkotliana malerkotliana and the subspecies D. m. pallens derived from 20 localities in the Circum-Indian Ocean, Southeast Asia. Two types of shape of the Y chromosome are found in D. m. malerkotliana: one is the metacentric Y, which corresponds to that described for D. m. malerkotliana, and the other is the submetacentric Y, which resembles that described for the subspecies D. m. pallens. On the other hand, only the submetacentric Y chromosomes are found in D. m. pallens, with no variation in shape. Supernumerary or B-chromosomes are of frequent occurrence in D. m. malerkotliana, but not in D. m. pallens.
- 東京女子大学の論文
- 1983-03-20
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関連論文
- 60.Drosophila malerkotlianaにおけるY染色体変異とB染色体
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