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Um, no. Maybe there are certain eggs that are predisposed to split. Not the same as removing a cell. I like the 'patterning' argument re: eggs. This might explain a lot about twinning. Wonder how one would select for this type of egg being produced. This type of twinning is at a fairly constant rate across all races over the earth. Fraternal twinning (two eggs, each being fertilized and implanted during one cycle) differs widely across the planet. Japan has the *lowest* rate of this (interestingly enough, japanese eat a lot of soy, which has phytoestrogens in it which may hinder ovulation, at least the multiple kind). Nigeria has the highest rate (several *hundred* times the rate of Japan. Nigerian women eat a lot of yams, yams have a progesterone mimic in them which fools the body into thinking ovulation hasn't occurred yet so it tries again. /ramble...

Maybe there are certain eggs that are predisposed to split. Not the same as removing a cell.

Well, obviously some are, but that does not imply a negation of my supposition.

See #7 for my 'position paper'.