Genetics
Every horse carries a set of genes. When two horses breed, the foal receives half of its genes from each parent, picked at random. This chapter explains what those genes do and how to plan a pairing.
Start with How Genes Work if you are new to the idea.
How Genes Work
Alleles, dominant and recessive genes, and the six genes every horse carries.
Coat Colours
Which gene combinations give a chestnut, bay, black, gray or cream horse.
Markings
How the Leopard and Pinto genes decide a horse's spots and patches.
Breeding and Inheritance
What a foal gets from its parents, from genes and stats to breed and temperament.
Hereditary Diseases
The seven inherited conditions, how carriers work, and how to avoid affected foals.