A plant with red flowers was crossed with another plant of the same species with white flowers. The offspring thus obtained were 60 plants with only pink flowers. On selfing, these plants produced 60 plants with red flowers, 120 plants with pink flowers and 60 with white flowers.
a. Name the genetic principle behind this.
b. Give scientific explanation for this. "
c. Name the geneticist who conducted this experiment.

Explanation

a. Balsam plant produces offspring in the ratio of 3:1 in cross breeding,
b. Balsam plant has incomplete dominance. So the cross breeding pro duces a new colour, pink. Pink coloured `F_(1)` generation is formed because of polygenic traits. c. Correns