The correct option is C Weismann - Theory of continuity of germplasm
Weismann - Theory of continuity of germplasm - His germ plasm theory states that multicellular organisms consist of germ cells that contain and transmit heritable information, and somatic cells which carry out ordinary bodily functions.
De Vries put forth the mutation theory to explain evolution.
Mendel - The principles that govern heredity were put forth by him the law of segregation.
Louis Pasteur is renowned for his discoveries of the principles of vaccination, microbial fermentation.