Genes!!!!!!!!!!! i need help plz!!!?

Question

The gene was first thought to be a discrete factor or particle that controls a gross
character of an organism such as flower color or eye color. With the discovery of
specific relationships between genes, enzymes, and proteins, this concept has
changed radically. Cite three specific experiments that illustrate these changes
and explain our present concept of the gene.

plz help me!!!! can u just explain to me wat it is asking and atleast explain one of the experiments.
thank u

Answer 1

Mutation, cross breeding, transplantation.