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Originally Posted by Pinehaven  Welcome Trevor!!! Sure hope you stick around and join in on some of our "colorful" discussions (which I'm sure we'll see here shortly). 
I learned about genetics from raising colorful Morgan horses - perlino, cremello, palomino, buckskin and dun. I now have a few golden Miniatures in addition to my parti colored yorkies. |
Thank you... I used to own a cremello quarter horse. I had intended on breeding her but she was only registered as a foundation quarter horse. AQHA (American Quarter Horse Association) only accepted single dilutes in their registry at the time so had to be very selective if I wanted to do so.
It is only in the past 6-7 years I believe that AQHA has started to accept Cremellos and Perlinos in their full registry. This was done so after a whole lot of petitioning from owners who wanted to exhibit their beautiful examples of the breed. Yes, many people thought the same as people do with yorkies... the dilutions are markers for genetic flaws.
However, it all takes time. And no they did not change the rest of the standard to incorporate color... QH must still have a very specific body type.
There has been more research done on horse colors and their variants than any other animal in the world. There are some very good websites that explain the inheritance of color out there for them. It can be applied to any animal and make sense. The only thing that changes is the locus and minor phenotypical expression.
Here are a few sites I like:
Color Calculator (this one is my favorite)
Home Page Equine Color - Horse & Pony Color Genetics Information