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. 1978 Aug 15;34(8):1000-2.
doi: 10.1007/BF01915311.

Progressive resistance against the male recombination factor 31.1 MRF acquired by Drosophila melanogaster

G Yannopoulos

Progressive resistance against the male recombination factor 31.1 MRF acquired by Drosophila melanogaster

G Yannopoulos. Experientia. .

Abstract

A genetically abnormal but structurally normal second chromosome (31.1 MRF) which induces recombination in the male sex, was introduced by outcrossing into the cytoplasm of a normal strain. In this new combination, male recombination frequency induced by females dropped from 3.81% to 0.17% within 10 generations, indicating a gradual acquisition of resistance against the activities of the 31.1 MRF.

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