Quote Originally Posted by JLC
I've seen pics of a pastel and normal twins sharing an egg. I don't know all the technical ways of describing it, but I don't think the eggs form the same way we think of them in mammals. In a mammal, when a single fertilized egg splits, it becomes identical twins. I don't think that's what is going on when you get twins out of one egg in a snake. More like fraternal twins...two embryos that get fertilized separately, but share the same "sac" as they develop.
I'm curious, guess I'll have to research it and see if I find anything. Shame there isn't more info readily available about snakes.