Researchers hypothesized that a particular gene that affects the neurotransmitter dopamine was involved in schizophrenia and then identified one group of subjects with schizophrenia and another without and examined whether the two groups had different alleles for the candidate gene.This is a(n) ______.
A) family study
B) linkage study
C) association study
D) behavioral study

Question

Researchers hypothesized that a particular gene that affects the neurotransmitter dopamine was involved in schizophrenia and then identified one group of subjects with schizophrenia and another without and examined whether the two groups had different alleles for the candidate gene.This is a(n) ______.
A) family study
B) linkage study
C) association study
D) behavioral study

Quizplus · Accepted Answer

This is an association study, as researchers are examining whether a particular gene is associated with schizophrenia by comparing the allele frequencies in subjects with and without the disorder.

Researchers Hypothesized That a Particular Gene That Affects the Neurotransmitter