Answer:
b. He was one of the first researchers to establish how heredity worked.
Step-by-step explanation:
Gregor Mendel discovered the basic principles of heredity through experiments in his garden which showed that the inheritance of certain traits in pea plants follows particular patterns.
Experiment was conducted on around 29,000 pea plants.
He is known as the father of modern genetic.
From the information presented in the movie, it can be concluded that he was one of the first researchers to establish how heredity worked.