Trait — In genetics, a trait refers to any genetically determined characteristic. In technical terms, a genetic trait is amenable to segregation analysis rather than quantitative analysis. A dominant lethal trait is a trait that is expressed if present… … Medical dictionary
Lethal white syndrome — (LWS), also called overo lethal white syndrome (OLWS), lethal white overo (LWO), and overo lethal white foal syndrome (OLWFS), is an autosomal genetic disorder most prevalent in the American Paint Horse. Affected foals are born after the full 11… … Wikipedia
Dominant white — This dominant white Thoroughbred stallion (W2/+) has one form of dominant white. His skin, hooves, and coat lack pigment cells, giving him a pink skinned white coat. Dominant white is a group of genetically related coat color conditions in the… … Wikipedia
heredity — /heuh red i tee/, n., pl. heredities. Biol. 1. the transmission of genetic characters from parents to offspring: it is dependent upon the segregation and recombination of genes during meiosis and fertilization and results in the genesis of a new… … Universalium
genetic disease, human — Introduction any of the diseases and disorders that are caused by mutations in one or more genes (gene). With the increasing ability to control infectious and nutritional diseases in developed countries, there has come the realization … Universalium
Roan (color) — Roan is a coat color found in many animals, notably horses, cattle and dogs. It is defined generally as an even mixture of white and pigmented hairs that does not gray out or fade as the animal ages. roan , a . and n.1 Oxford English Dictionary.… … Wikipedia
Pinto horse — This article is about a coat color of horses. For other uses, see Pinto (disambiguation). A horse with pinto coloring, specifically the tobiano pattern A pinto horse has a coat color that consists of large patches of white and any other color.… … Wikipedia
evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… … Universalium
Roan (horse) — For Roan in other animals, see Roan (color). Horses with roan coats have white hairs evenly intermingled throughout any other color. The head, legs, mane and tail have fewer scattered white hairs or none at all … Wikipedia
Overo — A frame overo Overo refers to several genetically unrelated pinto coloration patterns of white over dark body markings in horses, and is a term used by the American Paint Horse Association to classify a set of pinto patterns that are not Tobiano … Wikipedia