It's often the weird outliers that can reveal nature's secrets, says Karr, and this study shows how female choice and male competition can be linked together in surprisingly complex ways. In this respect, the rapid remating pattern of D. After incubation with the primary antibody, we washed the wells with 0. Copyright notice and Disclaimer. Cordts R, Partridge L. It is usually associated with extrusion, abdomen raising, abdomen extension, and abdomen bob behavior to prevent copulation.
Something in Sperm Makes Female Fruit Flies Super Aggressive After Sex
The evolution of male mate choice in insects: Multiple paternity in two natural. Alonso; David Houle Drosophila species are small flies, typically pale yellow to reddish brown to black, with red eyes. Female fruit flies Drosophila melanogaster were mated with males of four different degrees of genetic relatedness in competition experiments. Sex-specific selection on time to remate. Selection for mating speed in Dr osophila.
Sperm competition - Wikipedia
The effect of experimental design on female. Female fending consisted of extending one or two legs, generally the middle one, on the side of the body nearest to the male that is being pushed away. T wo groups of flies were used for this. Conversely, a virgin male and a twice-mated male were placed.
Sexual selection and mating advantages in the giant sperm species, Drosophila bifurca
Description: Scientists have known for over years that the female fruit fly Drosophila melanogaster is hyper aggressive after sex. There is, in fact, evidence that D. Views Read Edit View history. Sheldon BC, Ellegren H. Courtship Processing in Drosophila melanogaster.