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Heidi, you have this down to a science.  It's beyond my understanding.  I 
don't even understand the terminology....heterozygous and homozygous.  I'll 
just take your word for it! Or perhaps you can reduce this to a layman's 
terms so I CAN understand it?

Barbara

----- Original Message ----- 
From: <heidi@xxxxxxxxxxxxxxx>
To: <bigcreekranch@xxxxxxxxxx>
Cc: <paus@xxxxxxxxxxx>; <seamstob@xxxxxxxxxxxxxxx>; <ridecamp@xxxxxxxxxxxxx>
Sent: Wednesday, March 09, 2005 7:50 AM
Subject: Re: [RC] favorite color


> > I have a chestnut gelding who is from a black mare and a bay stallion.
>
> Actually, pretty common.  Lack of black pigment (ie red or chestnut) is
> recessive, so it can "hide" under purtnear anything.  The difference
> between black and bay is controlled by another gene--so both of the above
> parents were simply heterozygous for black pigment.  If you mated such
> horses repeatedly, odds are that 1/4 of the offspring would be chestnut.
>
> Heidi



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