Figure 2.—

Younger brother effect on the level of CI in wMel-infected D. melanogaster. Crosses were performed as follows: open circles, BNE-T females × wMel(BNE) males grown under uncrowded conditions of 200 eggs per bottle; closed circles, BNE-T females × wMel(BNE) males grown under crowded conditions of 900 eggs per bottle; open square, BNE-T females × BNE-T males compatible cross control; closed square, wMel(BNE) females × wMel(BNE) males compatible cross control. Values beside circles and squares represent number of single-female replicates. Error bars indicate SEM.