One in a Million: Part 2
Genetic testing has shown Dunbars Gold, a 1996 brindle Quarter Horse stallion, to be an extremely rare chimera, an individual with two DNA types. Of the more than 4.7 million American Quarter Horses registered with AQHA (excluding appendix horses), the registration department has a list of only 15 horses who have exhibited some form of the brindle coat pattern.
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An incredible genetic circumstance creates a unique DNA puzzle.
This is the second half of a two-part story. Need to review Part 1?
Chimerism
In genetics, a chimera is an individual formed from two different cell lines. Scientists believe that it happens when two nonidentical twin embyos (fertilized eggs) fuse into one embryo very early in their development
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