Spontaneous calcium spike could prep the egg for fertilization without sperm, and a division mistake could let the egg split up without ever needing male DNA at all.

自发的钙尖峰可以让卵子在没有精子的情况下为受精做好准备，而分裂错误可能会让卵子在根本不需要雄性 DNA 的情况下分裂。