Share. By Regina Bailey. Definition: An allele is an alternative form of a gene (one member of a pair) that is located at a specific position on a specific chromosome. These DNA codings determine distinct traits that can be passed on from parents to offspring through sexual reproduction.
Sylvester Weaver (executive) topic Sylvester Laflin  Pat  Weaver Jr. (December 21, 1908 â March 15, 2002) was an American radio advertising executive, who became president of NBC between 1953 and 1955. He has been credited with reshaping commercial broadcasting 's format and philosophy as radio gave way to television as America's dominant home entertainment.
William Dennis Weaver (June 4, 1924 â February 24, 2006) was an American actor who was best known for his work in television and films. Weaver's two most notable roles were as Marshal Matt Dillon's trusty helper Chester Goode on the CBS western Gunsmoke and as Deputy Marshal Sam McCloud on the NBC police drama McCloud. He appeared in the 1971 television film Duel, the first film of director Steven Spielberg.