Dental Bimodality in person distribution refers to____. A Description of two etiological hypothesis of a disease in one person. B Evaluation of two different environmental factors of a person in a disease causation. C Two separate peaks instead of in the age incidence curve of a disease. D Highest point of curve in age incidence curve of a disease. 💡 Explanation Bimodality in person distribution refers to____. ✓ Correct Answer: C. Two separate peaks instead of in the age incidence curve of a disease.