March 21, 2005

Gentlemen, Your Kids Aren't Really the Postman's

For a decade or two, it's been one of the clichés of the human sciences that 10% of all children are cuckoos eggs, fathered by somebody other than the poor work-a-daddy sap who naively thinks they are his. Evidence for this popular assertion, however, was lacking. Now, a new metastudy by Kermyt G. Anderson suggests that the cuckoo's egg rate is more like only 1.9%, at least among men who are confident enough of their rightful paternity to volunteer for a genetics test along with their child as part of some other kind of study. Among men who demand a paternity test, however, the rate is around 30%, but, obviously, those are different kinds of cases. (Via The Julian Calendar).

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