Answer:
We use pedigree charts to trace specific characters from one generation to the next.
Step-by-step explanation:
Pedigrees charts are used to trace the inheritance of characters such as eyes color but most important is to determine the likelihood of the inheritance of genetic disease or other abnormalities like the hemophilia. In a Human Pedigree Analysis the scientist traces the history of some variant phenotype back through the history of the family and draws up a family tree.