Genetics Primer

Progress in the field of genetics has been moving by leaps and bounds during the past few years. It wasn’t long ago that researchers discovered ways to unravel and study DNA, that elusive strand of genes that inhabits each and
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Progress in the field of genetics has been moving by leaps and bounds during the past few years. It wasn’t long ago that researchers discovered ways to unravel and study DNA, that elusive strand of genes that inhabits each and every cell. Once that breakthrough was made, discoveries came at an almost dizzying pace. Specific genes were identified and located. Another startling and, to many, disturbing, step forward came recently. Scientists cloned a sheep.







Matt Goins


Coat color is one very visible — and highly heritable — genetic trait in horses.


What does all this mean to the horseman? It can and should mean a great deal. By taking advantage of past and present knowledge, we can take steps to produce stronger, healthier horses and steer away from some crippling diseases

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Les Sellnow was a prolific freelance writer based near Riverton, Wyoming. He specialized in articles on equine research, and operated a ranch where he raised horses and livestock. He authored several fiction and nonfiction books, including Understanding Equine Lameness and Understanding The Young Horse. He died in 2023.

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