Chromosomal analysis of D. melanogaster long-term selected lines

Article Abstract:

The distribution and effect of genes responsible for the dorsocentral bristle number of Drosophila melanogaster reached by long-term selection was studied by crosses and chromosomal substitutions among five selected lines. Genetic analyses showed that variability originated in the course of selection by a low-probability nonrandom mechanism including the occurrence of rare recombination events.

Natural selection

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Inferences on the Role of Insertion in a Mutation Accumulation Experiment with Drosophila melanogaster Using RAPDs

Article Abstract:

Evidence is presented that supports the generality of prior estimates regarding spontaneous mutation rates for fitness and morphological fitness traits based on Drosophila melanogaster mutation accumulation lines.

Science & research, Gene mutations, Gene mutation, Morphology (Animals), Animal morphology, Fitness (Genetics)

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