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Contribution of recombinants produced by female flies heterozygous for Est-α alleles to genie variation of Drosophila virilis

Published online by Cambridge University Press:  14 April 2009

Kendo Tsuno
Kendo Tsuno
Affiliation:
Department of Biology, Josai Dental University, Sakado, Sailama 350–02, Japan

Summary

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With 12 alleles at the Est-α locus of Drosophila virilis, 44 genotypes of females heterozygous for a pair of them were constructed, and about 4 × 104 of their F1 progenies per genotype were electrophoretically examined. Eighty-three variants different from both of their parental alleles were obtained from a total of 2·0 × 106 progenies. Statistical analysis suggested most of their variants to be recombinants. And no null or inactive allele, of which frequency is several percent in natural populations, appeared in 11·6 × 104 progenies from females heterozygous for active alleles. These results suggest that the high variation of the Est-α locus in this species is generated by recombinants from female heterozygotes.

Type
Research Article
Information
Genetics Research , Volume 51 , Issue 3 , June 1988 , pp. 217 - 222
Copyright
Copyright © Cambridge University Press 1988

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