To start reading a pedigree Determine whether the trait is dominant or recessive If the trait is dominant, one of the parents must have the trait Dominant traits will not skip a. To assign genotypes to individuals on a pedigree. A pedigree chart visually records the inheritance of a specific trait or condition across generations within a family
Understanding these charts is important for tracing genetic patterns Basic principles of inheritance human genetic information is organized into. The analysis of pedigrees, using mendelian principles, helps determine whether a trait follows a dominant or recessive inheritance pattern The proband, or the individual with the genetic disorder, is highlighted with an arrow on the pedigree. A pedigree chart determine whether the disorder is dominant or recessive If the disorder is dominant, one of the parents must have the disorder.
