John's Blog

The Von Trapp Children Speak to a Geneticist
FRIEDRICH: Yes, Liesl is hot. Sometimes, even I have feelings for her. Why is it bad for me to feel that way?

GENETICIST: Incestuous relationships, as well as being frowned upon by most of society, are also disadvantageous from a biological point of view. In the genetic world, diversity breeds fitness. ......Do you not see that the net effect of this is that you would create offspring with a limited repertoire of immune-system genes?.....Also, dude, she's your sister.