Author: Aaron Mullally

This lesson will examine how a pedigree can be a useful tool in assessing risks of inherited disorders.

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Terms to Know

An individual who is carrying a trait genotypically but does not display it phenotypically.

Genetic Abnormality

A genetic characteristic that is not typical (example: 6 toes).

Genetic Disorder

A genetic characteristic that causes health problems (example: Huntingtons Disease).


A chart used to track a trait through a family tree.