What is pedigree analysis? Suggest how such an analysis, can be useful.

Explanation

Pedigree analysis is a record of inheritance of certain traits over two or more ancestral generations of a person in the form of a diagram of family tree.
Uses:
Pedigree analysis is useful to study the inheritance of a specific trait, abnormally or disease etc
It also helps to work out the possible genotypes from the knowledge of the respective phenotypes.
IT is useful to study the pattern of inheritance of a dominant or a recessive trait.
The possive genetic make up of a person for a trait can also be known with the help of pedigree chart.
Genetic counselors use pedigree chart of analysis of various traits and diseases in family and predict their inheritance patterns. It is useful in preventing hemophilia, sickle cell anaemia and other genetic disorders in the future generations.