There’s a fascinating article in the NYTimes magazine, “Who Knew I Was Not the Father?” It’s all the impact of cheap paternity testing on conceptions of fatherhood. Men now have a cheap and easy way to discovering that children they thought were theirs really carry someone else’s genes.
This raises the question, what is fatherhood? Is it the genes or the relationship? There’s obviously elements of both, but perhaps there’s a rule in here: adding identity to a system makes the system more brittle.