What is pedigree analysis?

Pedigree analysis is the study of an inherited trait in a group of related individuals to determine the pattern and characteristics of the trait, including its mode of inheritance, age of onset, and phenotypic variability. Pedigree analysis is, therefore, an important tool in both basic research and genetic counseling. For example, having a widow’s peak hairline is dominant. However, they can be carriers of the trait, and if they are carriers, their male children will be colorblind.

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