Heterozygote advantage — A heterozygote advantage (heterozygous advantage) describes the case in which the heterozygote genotype has a higher relative fitness than either the homozygote dominant or homozygote recessive genotype. The specific case of heterozygote… … Wikipedia
Polymorphism (biology) — Light morph Jaguar (typical) Dark morph or melanistic Jaguar (about … Wikipedia
Tay-Sachs disease — Infobox Disease Name = Tay Sachs disease Caption = DiseasesDB = 12916 ICD10 = ICD10|E|75|0|e|70 ICD9 = ICD9|330.1 ICDO = OMIM = 272800 OMIM mult = OMIM2|272750 MedlinePlus = 001417 eMedicineSubj = ped eMedicineTopic = 3016 MeshID = D013661 Tay… … Wikipedia
Major Histocompatibility Complex and Sexual Selection — A pathogen is any agent that causes disease. The body has two defense mechanisms for dealing with pathogenic microorganisms and other harmful substances: the inflammatory reaction and the development of an acquired immunity. Acquired immunity… … Wikipedia
Balancing selection — refers to forms of natural selection which work to maintain genetic polymorphisms (or multiple alleles) within a population. Balancing selection is in contrast to directional selection which favors a single allele. A balanced polymorphism is a… … Wikipedia
Eugenics — is the self direction of human evolution : Logo from the Second International Eugenics Conference, 1921, depicting Eugenics as a tree which unites a variety of different fields.[1] Eugenics is the applied science or the bio social movement which… … Wikipedia
Natural selection — For other uses, see Natural Selection (disambiguation). Part of a series on Evolutionary Biology … Wikipedia
Cystic fibrosis — Classification and external resources A breathing treatment for cystic fibrosis, using a mask nebuliser and a ThAIRapy Vest ICD 10 E … Wikipedia
Heterosis — Not to be confused with Heterozygosity, or with Heterotic string theory. See also: Heterozygote advantage A mixed breed dog Heterosis, or hybrid vigor, or outbreeding enhancement, is the improved or increased function of any biological quality in … Wikipedia
History of molecular evolution — The history of molecular evolution starts in the early 20th century with comparative biochemistry , but the field of molecular evolution came into its own in the 1960s and 1970s, following the rise of molecular biology. The advent of protein… … Wikipedia
Sickle-cell disease — This article is about the disease itself. For the genetic transmission of sickle cell disease and its carrier state, see sickle cell trait. Sickle cell disease Classification and external resources Normal and sickle shaped red blood cells ICD 10 … Wikipedia