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
lethal multiple pterygium syndrome — a lethal autosomal recessive disorder caused by mutations in any of several genes that encode acetylcholine receptor components, characterized by multiple pterygia, lung hypoplasia, flexion contractures of the limbs, characteristic facies, and… … Medical dictionary
balanced lethal system — A system for maintaining a recessive lethal allele at each of two loci on the same pair of chromosomes. In a closed population with no crossing over between the loci, only the double heterozygotes for the lethal mutations survive … Glossary of Biotechnology
Cat body type genetic mutations — Cats, like all living organisms, occasionally have mutations that affect their body type. Sometimes, these changes in body type are striking enough that humans select for and perpetuate them. This is not always in the best interests of the cat,… … Wikipedia
Platyspondylic lethal skeletal dysplasia, Torrance type — is a severe disorder of bone growth. People with this condition have very short arms and legs, a small chest with short ribs, underdeveloped pelvic bones, and unusually short fingers and toes (brachydactyly). This disorder is also characterized… … Wikipedia
Sex lethal — Gène de la drosophile La drosophile Drosophila melanogaster est un animal modèle de la génétique. Sa petite taille, son taux de reproduction ainsi que son cycle de vie court permettent d en faire facilement l élevage dans de simples bocaux à… … Wikipédia en Français
Trait, dominant lethal — A genetic trait that, if present in the genome of the individual, is expressed and therefore precludes the individual s having descendants. All such cases with a dominant lethal trait must necessarily be sporadic and must represent new mutations … Medical dictionary
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
Hermann Joseph Muller — Infobox Scientist name = Hermann Joseph Muller image size = 180px caption = birth date = December 21 1890 birth place = New York City, New York, USA death date = April 5 1967 death place = Indianapolis, Indiana, USA nationality = United States… … Wikipedia
Diplopodia — This article is about the congenital abnormality. For the genus of echinoderm, see List of prehistoric echinoderms. Not to be confused with diplopoda. Contents 1 Description 2 Causes … Wikipedia
Mutation — For other uses, see Mutation (disambiguation). Part of the Biology series on Evolution … Wikipedia