| number of embryos | cortical interactiona | asymmetric first spindle |
---|
pod-2(ye60)
| 5/10 | yes | yes |
 | 5/10b | no | no |
pod-2(ye60) + palmitate | 17/18c | yes | yes |
- a defined as juxtapositioning of paternal pronucleus with the cell cortex. b in one embryo the spindle initially set up symmetrically but subsequent division was asymmetric. c one embryo divided asymmetrically but with reversed polarity