Abstract
A study of the puffing patterns of the Jst, J1, U1−2, U1−2−8 and Ust chromosomal arrangements of Drosophila subobscura, from different geographical origins, has been carried out. Twenty-eight puffs were observed, 10 on the J chromosome, and 18 on the U chromosome. No differences, whether qualitative or quantitative, have been found between the puffing pattern of the J chromosome, whether from the same of different geographical background. In the U chromosome, the U1−2 and U1+2+8 arrangements show the same puffing pattern, and neither quantitative nor qualitative differences were found. However, the puffing pattern of these chromosomes alters considerably in the Ust arrangement of the K228 laboratory strain.
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De Frutos, R., Latorre, A. Patterns of puffing activity and chromosomal polymorphism in Drosophila subobscura I. J. and U chromosomes. Genetica 58, 177–188 (1982). https://doi.org/10.1007/BF00128012
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DOI: https://doi.org/10.1007/BF00128012