What term is used to describe the gene-to-gene interaction in which the action of one gene modifies the expression of a different gene?

Epistasis is the term used to describe the gene-to-gene interaction in which the action of one gene modifies the expression of a different gene. Epistasis occurs due to the relationship between or within genes which leads to different non-linear effects.

videntify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.