A researcher who wants to examine the relatives of people with unipolar depression to see whether the disorder affects other family members should complete a study.

Family Pedigree

Explanation:

Family pedigree is a genetic charts of a family tree that shows the inheritance of a trait or disease from generations to generations by showing the relationships between family members, thereby indicating which individuals carry the trait through their medical histories.

A researcher who wants to examine the relatives of people with unipolar depression to see whether the disorder affects other family members should complete a FAMILY PEDIGREE study which will shown him the medical histories of each individual in the family and enable him to know whether the disease or disorder affects other family.

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