A cardiac researcher is trying to determine if 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 ________.

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Pedigree analysis involves tracing a particular trait or condition through several generations of a family to determine its inheritance pattern. In this case, the researcher is looking at the pattern of very high blood cholesterol in a group of individuals and trying to determine if it is genetic, which involves analyzing the medical records and marriage patterns of their ancestors. Back crossing is a breeding technique used in genetics, linkage mapping is a method of mapping the location of genes on a chromosome, and title searching is a term used in real estate and legal fields.

A Cardiac Researcher Is Trying to Determine If a Pattern