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Quantitative genetic variation for oviposition preference with respect to phenylthiocarbamide in Drosophila
B Possidente1, M Mustafa, L Collins
1Biology Department, Skidmore College, Saratoga Springs, New York 12866, USA. bposside@skidmore.edu
Behavior Genetics
|November 5, 1999
Abstract:
Seven isogenic strains of Drosophila melanogaster were assayed for oviposition preference on food with phenylthiocarbamide (PTC) versus plain food. There was significant variation among strains for the percentage of eggs oviposited on each medium, ranging from 70 +/- 4% (SE) preference for plain food to no significant preference. Reciprocal hybrid, backcross, and F2 generations derived from two extreme parent strains revealed significant additive and nonadditive genetic variation but no evidence of maternal, paternal, or sex-chromosome effects.