I did it for my parents, husband and my children- it was wrong chris hunt > [Original Message] > From: Olive Tree Genealogy <olivetreegenealogy@gmail.com> > To: <can-ont-simcoe@rootsweb.com> > Date: 5/18/2007 3:41:33 PM > Subject: Re: [CAN-ONT-SIMCOE] Genetics of Eye Colour - 2 good sites > > Here's a couple of good sites about the genetics of eye colour (and > very easy for us laypeople to understand) > > http://www.athro.com/evo/inherit.html > > This site is an interactive site that allows you to figure out eye > colours of children when you know the eye colours of mother and father > > The second site is this one http://www.athro.com/evo/gen/eyecols.html > It explains the basic ideas behind dominant and recessive genes as > they pertain to eye colour. > > All I recall from my genetics course (many years ago!) was that Brown > is dominant (think of it as B) and has lots of melanin in the eye. > Blue is recessive and has only a little bit of melanin (think of it as > b). Gray has some melanin (It's G) > > So to get Brown eyes you can have Bb or BG or BB (B trumps everything > else, it's dominant) > > To get blue eyes you can only have bb > > Gray eyes is GG or Gb > > So two brown eyed parents can produce blue eyed children IF they both > have the recessive "b" gene for blue eyes. (Bb+Bb can produce BB or Bb > or bb children) > > > > > -- > Olive Tree Genealogy > http://olivetreegenealogy.com > > ------------------------------- > To unsubscribe from the list, please send an email to CAN-ONT-SIMCOE-request@rootsweb.com with the word 'unsubscribe' without the quotes in the subject and the body of the message