I will jump in on this one - as a biochemist I am not wonderful on
Genetics (even though I work in a Genetics department), but:
> LIzz Hancock wrote:
>>> > > - Recessive genes? Both copies must be recessive to display the
> trait. For example to have blue eyes you must be the genotype bb, if
> you're Bb your eyes will be brown not blue. So to have blue eyes, one
> of your parents has to have had blue eyes.
Surely you don't need a blue eyed parent to have blue eyes, as long as
both parents are Bb (in your nomenclature). However, if both your
parents have blue eyes (bb) then you will *have* to have blue eyes.
Or am I completely wrong?
Dr. G.S. Briggs
Institute of Genetics
University of Nottingham
Queens Medical Centre