Because I'm a little insane, I just spent the last few hours tracing the facial genetics of one of my legacy families. If you find sim genetics as fascinating as I do, feel free to drop by and take a look!
Sim Genetics: Gissing Family (If anyone has done something similar, I'd love to have a look see. I know I can't be the only one who keeps a notebook for tracking Dominant/Recessive hair and eye color through generations. Well... I hope I'm not. ;P )