Sewall Wright — Sewall Green Wright (December 21, 1889 – March 3, 1988) was an American geneticist known for his influential work on evolutionary theory and also for his work on path analysis. With R. A. Fisher and J.B.S. Haldane, he was a founder of theoretical … Wikipedia
Wright, Sewall — born Dec. 21, 1889, Melrose, Mass., U.S. died March 3, 1988, Madison, Wis. U.S. geneticist. He earned his doctorate at Harvard University. His earliest studies included investigation of the effects of inbreeding and crossbreeding on guinea pigs,… … Universalium
Wright , Sewall — (1889–1988) American statistician and geneticist Born in Melrose, Massachusetts, Wright graduated from Lombard College in 1911; he gained his master s degree from the University of Illinois the following year and his doctorate from Harvard in… … Scientists
Founder effect — In population genetics, the founder effect refers to the loss of genetic variation when a new colony is established by a very small number of individuals from a larger population. It was first fully outlined by Ernst Mayr in 1952 [Provine, W.B.… … Wikipedia
genetic drift — random changes in the frequency of alleles in a gene pool, usually of small populations. Cf. gene flow. [1955 60] * * * Change in the pool of genes of a small population that takes place strictly by chance. Genetic drift can result in genetic… … Universalium
Scarlet tiger moth — Taxobox name = Scarlet Tiger Moth image width = 250px regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Lepidoptera familia = Arctiidae genus = Callimorpha species = C. dominula binomial = Callimorpha dominula binomial authority =… … Wikipedia
Evolution — This article is about evolution in biology. For other uses, see Evolution (disambiguation). For a generally accessible and less technical introduction to the topic, see Introduction to evolution. Part of a series on … Wikipedia
Race (classification of human beings) — The term race or racial group usually refers to the concept of categorizing humans into populations or groups on the basis of various sets of characteristics. [http://www.physanth.org/positions/race.html AAPA Statement on Biological Aspects of… … Wikipedia
Race (classification of humans) — Race Classification Race (classification of humans) Genetics … Wikipedia
Adaptation — This article is about the evolutionary process. For other uses, see Adaptation (disambiguation). Part of a series on Evolutionary Biology … Wikipedia