What advantages does a pedigree have over a written passage?

Pedigree is a representation of different members of a family and their relation with each other in a chart pattern. Pedigree has various advantages over a written passage as it is difficult to relate different members in a family in a written passage and pedigree chart is easy to read and infer.

It is easy to see the traits of the people using a pedigree chart. It helps us understand if the trait is recessive or dominant and homozygous or heterozygous.

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.