Rapid Evolution of Assortative Fertilization between Recently Allopatric Species of Drosophila

Figure 2

(a) Proportion of fertilized and hatched eggs (error bars represent standard error). (b) Egg containing fluorescently labeled sperm tail (left) and eggs containing no sperm tail (right).

(a) Proportion of fertilized and hatched eggs

(b) Fertilized (left) and unfertilized eggs (right)