Kasper Schmeichel

[Scratch]

I didn't realise this was about biology! Surely nurture counts for more?

I'm not dismissing your answer, as it is correct, but when the thought occured to me it was more a biological father/son conundrum, and I'm still pretty certain that it must have happened at some point?

[EwarWoo]

a biological father/son conundrum

That's a phrase you don't hear twice in a lifetime.