If there are to be doubts they will probably begin before birth—when testing is not practical. Testing after the doubts begin seems to be a pretty likely outcome.
Also, I figure the guy is going to want to be the one who administers any paternity testing. A test administered by the girl leaves some opportunity for deception by switching samples.
Testing to resolve uncertainty over paternity seems like a good case of humans consciously and deliberately caring about the welfare of their genes. Some seem to think that evolution’s motivation for a man to reproduce his genes comes is in the form of sexual desire and pleasure—but for many, this is just not so.
If there are to be doubts they will probably begin before birth—when testing is not practical. Testing after the doubts begin seems to be a pretty likely outcome.
Also, I figure the guy is going to want to be the one who administers any paternity testing. A test administered by the girl leaves some opportunity for deception by switching samples.
Testing to resolve uncertainty over paternity seems like a good case of humans consciously and deliberately caring about the welfare of their genes. Some seem to think that evolution’s motivation for a man to reproduce his genes comes is in the form of sexual desire and pleasure—but for many, this is just not so.