Hiya, non-id twins are hereditary, but I've been told it can skip generations. My friend's mum is a non-id twin, as was (my friend's) great-grandmother, so her mother's grandmother. But my friend is not a twin nor does she have twin siblings (though does have three brothers!) However she is very likely to have non-id twins herself. Hope that makes sense? As others said before me, ID twins are totally random, it can happen to anyone! Me included, lol
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Hope that makes sense?
As others said before me, ID twins are totally random, it can happen to anyone! Me included, lol