Discovered the process of Transposition, commonly known as “jumping genes” that trigger evolution and mutation. She worked to determine how genes get turned on and off in creating physical characteristics. After being excluded from faculty meetings at the University of Missouri in the 1940s, she moved on to the Cold Spring Harbor Laboratory at the Carnegie Institution, in New York. A bio scientist in the field of cytogenics, she was awarded the Nobel Prize for Medicine in 1983.
Sources:
“Barbara McClintock: Nobel Prize in Physiology or Medicine 1983. (Women Who Changed Science” (series). The Nobel Prize Committee. Accessed 26 December 2021.
“Barbara McClintock.” Wikipedia (website). Accessed 26 December 2021.