Answer:
Epistasis
Explanation:
Genetics can be defined as the scientific study of hereditary in living organisms such as humans, animals and plants
In Genetics, a gene pair has the ability to influence other gene pairs based on their combined activities which produces some effect on phenotype; this is called epistasis.
The answer is 'C' because this is the only answer mentioning a hypothesis, and the whole point of the scientific method is to test a hypothesis.
