33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
638540
194668
2
Public Timelines
FAQ Get premium

Griffith and Avery To determine if DNA or proteins are responsible for genetic coding 1928 - While attempting to work towards a vaccine for pneumonia, Griffith tested if mice would survive when he injected different strains of the disease into them. The mice injected with a mixture of heat-killed viral pneumonia and live non-viral pneumonia unexpectedly died 1944 - Isolated the "transforming principle" from Griffith's experiment and then chemically tested it to rule out possibilities for what it could be (jan 1, 1928 – jan 1, 1944)

Added to timeline:

10 Dec 2018
0
0
350

Date:

jan 1, 1928
jan 1, 1944
~ 16 years