Pedigree chart

[4] A pedigree results in the presentation of family information in the form of an easily readable chart.

Pedigree construction is a family history, and details about an earlier generation may be uncertain as memories fade.

The offspring are connected by a horizontal sibship line and listed in birth order from left to right.

Pedigrees continue to be registered at the College of Arms and kept up to date on a voluntary basis but are not accessible to the general public without payment of a fee.

It may be used to discover where the genes in question are located (x, y, or autosome chromosome), and to determine whether a trait is dominant or recessive.

When a pedigree shows a condition appearing in a 50:50 ratio between men and women, it is considered autosomal.

Some examples of recessive traits include small eyes, little body hair, and tall stature.