Search for the Genetic Material
The study of Genetics started with Gregor Mendel who introduced ‘factors’ for inheritance. Boveri-Sutton theory later gave the chromosomal theory of inheritance.
The concept of inheritance was understood at the level of chromosomes further when Morgan came up with the concept of linkage & recombination at chromosomal level.
It was taken a step forward in 1926 when experiments were being performed to understand Inheritance at a molecular level.
The search was for the molecule which acts as a genetic material.