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.
Following Dan Blocker's death in May 1972 after season thirteen ended, Greene, Landon, and Vogel continued the series into a fourteenth season, with Canary returning as Candy (reportedly approached by Landon) and Tim Matheson was introduced as ex-prisoner and newly hired ranch-hand Griff King.