A cardiac researcher is trying to determine whether a pattern of very high blood cholesterol is genetic in a group of Pennsylvania Dutch. Therefore, the scientist looks through years of medical records plus patterns of marriage through several generations. The investigator is doing a type of hereditary research called ________.
A) back crossing
B) pedigree analysis
C) linkage mapping
D) title searching

Question

Quizplus · Accepted Answer

Pedigree analysis involves reviewing family trees and medical records to track the inheritance pattern of a particular trait or disease, which is exactly what the researcher is doing in this scenario. Back crossing refers to crossing an individual with its parent or ancestor, which is not relevant to this situation. Linkage mapping involves identifying the location of genes on a chromosome, which is not the focus of this study. Title searching refers to a process for finding legal documents related to property ownership, and is not relevant to this study.

A Cardiac Researcher Is Trying to Determine Whether a Pattern