The maintenance of reproductive fitness in lines subjected to artificial selection is one of the major problems in animal breeding. The decline in reproductive performance has neither been predictable from heritabilities and genetic correlations, nor have conventional selection indices been adequate
Effects of artificial selection on reproductive fitness in Drosophila
โ Scribed by PYLE, DONALD W.
- Book ID
- 109702450
- Publisher
- Nature Publishing Group
- Year
- 1976
- Tongue
- English
- Weight
- 363 KB
- Volume
- 263
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/263317a0
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The effects of inbreeding, with (IS) and without selection (IO) for reproductive fitness, on inbreeding depression and heterozygosity were evaluated in 20 lines of each treatment inbred over seven generations using full-sib mating. The survival of lines was significantly greater in IS (20/20) than i
Stabilizing selection for a set of morphometric wing traits was combined with directional selection for the increased expression of radius incompletus (ri) mutation of Drosophila melanogaster. Three experimental regimes were used: directional and stabilizing selection (stabilized lines); directional