Gregor Mendel’s proposed the theory of blended traits which is considered as main contribution to science.
Answer: Option D
Explanation:
He experimented with the seven contrasting traits of the pea plant and came up with theories and laws pertaining to the segregation of characters. He noted that the F2 generation of the pea plant was having traits which were composed of dominant, recessive as well as new trait due to co-dominance.