Over-arching theories are so important because they help scientists choose their methods of study and mode of reasoning, connect important phenomena in new ways, and open new areas of study.

True

Explanation:

Over-arching theories are designed to clarify, predict and interpret events and, in many situations, to question and broaden current understanding beyond the boundaries of basic boundary assumptions. The theoretical context presents and outlines the hypothesis that demonstrates why there is an area for research undergoing analysis.

answer; i believe the answer is (polygenic inheritance;

substitution is the answer in this case