Martin and Matthew are identical twins. Matthew has obsessive-compulsive disorder, but Martin does not. In a biological research study, who would be the proband?
A) Martin
B) Matthew
C) Martin and Matthew's mother
D) Martin and Matthew's older sister

Question

Quizplus · Accepted Answer

The proband in a genetic or medical study is the individual from whom the study is initiated, often because they exhibit the specific trait or disorder being studied. In this case, Matthew, who has obsessive-compulsive disorder, would be the proband because the study would likely be focused on understanding the genetic or environmental factors contributing to his condition.

Martin and Matthew Are Identical Twins