Even if it is as low as 10% the explanations still hold, however the probability changes, if it has such varring levels of expression, it is likely that 1) that it is recesive rather than dominant, meaning both your parents have to carry one recessive allel and that the you had to have inherited two copies and 2) that it is a multi-gen trait. >: Julie Alipaz <jalipaz at stanford.edu> > >Now as to our human population, >>given that it is only at 35% of our the population means three >>things... > >Actually, it might be as low as 10% -- as I said, estimates vary. >35% is the high end. > JAA