Answer:
The preferable option for fill in the blanks will be-
Multifactorial disorders with a possible polygenic component
Explanation:
Heart disease, diabetes, cancer, alcoholism, and many mental illnesses can best be described as multifactorial disorders with a possible polygenic component.
- The complex or multifactorial disorders are common medical problems like heart disease, type 2 diabetes, and obesity.
- These disorders do not have a single genetic problem because they are associated with the effects of multiple genes (polygenic). The polygenic effect combines with our lifestyle and environmental factors.