K. G. Bateman
Articles written in Journal of Genetics
Volume 56 Issue 3 December 1959 pp 341-351
1. The phenocopy “dumpy”, produced by 40°C treatment of 16–18 hour pupae, was selected for 30 generations. The duration of treatment was gradually reduced from 4 1/2 to 2 hours. Phenocopy frequency in the last generation was 95%.
2. In untreated flies weakly dumpy wings first appeared in generation 25. From these an assimilated stock was established in which, after 8 generations of selection, penetrance was 58%.
3. The genetical analysis of this stock showed that assimilated dumpy is produced only in the presence of the recessive lethal gene
4. There is evidence that a second recessive lethal gene, which forms with
5. The frequency of
6. Successful selection for expression in the assimilated dumpy stock indicated that modifying genes are also involved. The assimilation of dumpy, like that of crossveinless, appears therefore to have depended on major-genes and modifiers.
7. It is suggested that
Volume 56 Issue 3 December 1959 pp 443-474
Volume 84 Issue 3 December 2005 pp 227-257
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