0_Apprentice
I have a lot of tall people in my family. How about you?
1_Wizard
We range in height.  There is a particular genetic profile in men that is correlated with height.
0_Apprentice
Oh, is it the same with women?
1_Wizard
No, in the male is the Y haplotype I-M170.
0_Apprentice
My boyfriends family has a bunch of tall women. I wonder if they also have a certain gene.
1_Wizard
Perhaps.  As the frequency of the Y haplotype increases the average male height rises, so why not the female height too?
0_Apprentice
Yes, that is what I am thinking. There has to be something genetic about it.