[T and A Man]

Sorry to put a downer on this forum via this topic, I just came across this today.

http://www.economist.com/node/21560836?f...herfigures

Most pointedly...

Quote:

Mothers transmitted an average of 14 mutations to their children, regardless of age. Fathers showed a much wider range: 20-year-olds passed on an average of 29 mutations; 30-year-olds (the average age of fatherhood in Dr Stefansson’s sample) passed on 49; and 40-year-olds passed 69.