• A case of conditioned dominance inDrosophila obscura

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    • Abstract

       

      An autosomal recessive eye colour purple inD. obscura is described. The mutant is similar to purple inD. melanogaster but is peculiar in that it acts as a dominant diluter of vermilion. The double recessive vermilion purple is white. The time interaction of the two genes is disussed with reference to the process of pigmentation.

      It is suggested that the modes of interaction of these two genes, vermilion and purple, may be explained on the assumption that they are similar in nature and in function, and hence behave as allelomorphs.

    • Author Affiliations

       

      F. A. E. Crew1 Rowena Lamy1

      1. Institute of Animal Genetics, University of Edinburgh, UK
    • Dates

       
  • Journal of Genetics | News

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