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Selection and recombination inDrosophila melanogaster

✍ Scribed by Domenico L. Palenzona; Annamaria Zattoni

Publisher
Springer
Year
1970
Tongue
English
Weight
192 KB
Volume
40
Category
Article
ISSN
0040-5752

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✦ Synopsis

Artificial selection for wing length in Drosophila melanogaster resulted in changed crossing-over frequencies between three marker genes on the 2nd chromosome, b, cn and vg.The results suggest that artificial selection is a causal agent in producing the observed changes; moreover it is suggested that the modifications in cross-over frequency are controlled by extra-nuclear factors.

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Selection for pupation height inDrosophila melanogaster
✍ L. Garcia-Florez; P. Casares; C. Carracedo πŸ“‚ Article πŸ“… 1989 πŸ› Springer Netherlands 🌐 English βš– 439 KB

Divergent directional selection for high and low pupation height was practiced in D. melanogaster. A quick response was observed in the two directions of selection. This is the first time selection for low pupation sites was successful. Realized heritabilities were 18% and 13% for the high and low l