Summary
Divergent directional selection lines were initiated from base populations founded from parents taken from different parts of the sternopleural chaetae distribution in a cage population of Drosophila melanogaster. Lines founded from parents taken from the central part of the distribution showed greater response and higher realised heritability than lines derived from parents with extreme high or extreme low chaetae number. The results suggest that centrally derived phenotypes have higher heterozygosity for chaetae factors than extreme phenotypes and that these factors have a large effect on the character.
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Skibinski, D.O.F., Shereif, N.A.K. Directional selection in lines founded from different parts of the phenotypic distribution of sternopleural chaetae number in Drosophila melanogaster . Theoret. Appl. Genetics 77, 409–415 (1989). https://doi.org/10.1007/BF00305837
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DOI: https://doi.org/10.1007/BF00305837