Figure 1

eCG-dosage dependent ovulation of oocytes from XX and XY females. The number of ovulated oocytes was larger after injection with 10 IU eCG than 5 IU eCG in both XX and XY females. The number of ovulated oocytes was also larger from XX females than XY females with 10 IU eCG. Data are presented as means ± SEM. The total number of females examined is given in parentheses at the top of each column. * and ** significant differences at p < 0.05 and 0.001, respectively.