1. Tracking Family History
Pedigrees
Tracking Family History

2. Tracking Family History
Pedigrees
Tracking Family History

3. Pedigrees
A chart that shows multiple family generations and relationships to track the inheritance of genetic traits.

4. Pedigrees Can be used to determine genotypes of family members.
Can be used to help predict probability of future generations expressing certain traits.
Important tool for genetic counselors

5. Pedigrees I 1 2 II
III
Pedigree 1: An idealized pedigree of a family with hypercholesterolemia, an
autosomal dominant disease where the heterozygote has a
reduced number of functional low density lipoprotein receptors.

6. Pedigrees

7. Pedigrees