4 ms·It could if the egg could somehow know which ones were better. But how could it know that?by gweinberg 9y agoIt could if the egg could somehow know which ones were better. But how could it know that?deleted 9y ago[deleted]deleted 9y ago[deleted]andai 9y agoThe same way women do!m3kw9 9y agoProbably some sort of gene expression