(Encyclopedia) cline, in biology, any gradual change in a particular characteristic of a population of organisms from one end of the geographical range of the population to the other. Gradients of…
(Encyclopedia) Wexler, Nancy, 1945–, American geneticist and neuropsychologist, b. Washington, D.C., Ph.D. Univ. of Michigan, 1974. After her mother was diagnosed with Huntington's disease in 1968,…
Metropolitan AME Church in Washington D.C. is among American sites most at risk by Dana J. Quigley America's Most Endangered Places America's Most Endangered Places 2009America's Most Endangered…
actressBorn: 11/21/1941Birthplace: London, England Best known for her portrayal of Phoebe Figalilly in the situation comedy The Nanny and the Professor (1970–71), Juliet Mills has never achieved…
(Encyclopedia) genetic testing, medical screening for genetic disorders, by examining either a person's DNA directly or a person's biochemistry or chromosomes for indirect evidence. Testing may be…
(Encyclopedia) choleracholerakŏlˈərə [key] or Asiatic cholera, acute infectious disease caused by strains of the bacterium Vibrio cholerae that have been infected by bacteriophages. The bacteria,…
(Encyclopedia) pharmingpharmingfärˈmĭng [key], the use of genetically altered livestock, such as cows, goats, pigs, and chickens, to produce medically useful products. In pharming, researchers first…
(Encyclopedia) virology, study of viruses and their role in disease. Many viruses, such as animal RNA viruses and viruses that infect bacteria, or bacteriophages, have become useful laboratory tools…