Stock Photo - Corn stalk specimen researched in 1942 by Barbara McClintock (1902-1992)the American geneticist who won the 1983 Nobel Prize in Physiology or Medicine for her discovery of genetic transposition

Stock Photo: Corn stalk specimen researched in 1942 by Barbara McClintock (1902-1992)the American geneticist who won the 1983 Nobel Prize in Physiology or Medicine for her.