Avery Oswald Theodore


Also found in: Medical.

Avery

, Oswald Theodore 1877-1955.
Canadian-born American bacteriologist who demonstrated that the genetic material in bacteria that transmits heritable characteristics is composed of DNA.

A·ver·y

(ā′və-rē), Oswald Theodore 1877-1955.
Canadian-born American bacteriologist who determined that DNA was the material that caused genetic changes in bacteria. His work was vital to scientists who later established that DNA is the carrier of genetic information in all living organisms.