If the traced genealogy line is average birth age 25 and 50% female, then there are 40 females. This would mean that a 2% infidelity rate would have a more tha

If the traced genealogy line is average birth age 25 and 50% female, then there are 40 females. This would mean that a 2% infidelity rate would have a more than 50% chance of breaking this chain, although there would likely be other undocumented ones.