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RE:genes and reproduction; are there genetic diff each of the eggs that a woman produces.
Daisy,
It would be interesting to quantify your observation. I have no explanation for it, neither can I confirm it specifically. I could take a rough guess that because the first child born in a relationship is more likely to be a biological child of the father, it would benefit that child to look like him. Subsequent children are more likely to be the result of extramarital affairs.
I have noticed that children do not resemble anyone specifically when they are young. Indeed, it has been suggested in the scientific literature that children for the good of their genes should lay off exposing any similarities with their fathers, since they may not be raised by their biological father, and, well, he might be crossed when he figures and kill the child.
What I have also noticed is that children whose paternity is debated tend to look like their fathers sooner than others (e.g. Boris Becker, Bill Clinton, Mick Jagger). That makes evolutionary sense.
NB: I am writing in GENERAL TERMS, not specifically about humans, so please hold back your flames!
Regards,
Phoenix
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