Which of the following statements is false about pedigree analysis?

The individuals and their relationships are depicted pictorially in the form of geometrical figures and lines in a pedigree chart.

Hollow or unfilled figures represent affected individuals.

We can identify phenotypes, identify genotypes, and predict how a trait will be passed down in the future by analyzing a pedigree.

It is very useful for understanding the inheritance of a trait or disease in a family.