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DunHorses4

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DunHorses4

Illustration of the mechanism underlying Dun colour. TBX3 expression (indicated in green) in the hair follicle in Dun horses leads to lack of pigment production in parts of the hair follicle; pigment indicated in balck. In non-dun horses there is no TBX3 expression in the hair follicle, and the entire hair is fully pigmented.
Kelly McGowan and Freyja Imsland
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By:
Kelly McGowan and Freyja Imsland
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.jpg
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1181 x 1181, 96.3 KB
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  • A horse of a different colour: genetics of camouflage and the Dun pattern

    A horse of a different colour: genetics of camouflage and the Dun pattern

    Most horses today are treasured for their ability to run, work, or be ridden, but have lost their wild-type camouflage: pale hair with zebra-like dark stripes and markings known as the Dun pattern. Now an international team of scientists has discovered what causes the Dun pattern and why it is lost in most horses.