Gregor Mendel presents his document about units of inheritance in pairs to the Natural history society of Brünn. It was praised and showed up in several newspapers. However, nobody really cared.
DNA (first called nuclein) is identified by Freidrich Miescher an acidic substance found in the cell nuclei. Again, nobody cares.
Mendel's work is rediscovered and confirmed by three separate doctors. This time people actually care.
by Wilhelm Johanssen and in wheat by Herman Nilsson-Ehle.
As discovered by Bateson and Tatum.
confirmed in studies of fly eye color inheritance by T.H. Morgan and colleagues.