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The word pedigree is a corruption of the Anglo-Norman French pé de grue or "crane's foot", either because the typical lines and split lines (each split leading to different offspring of the one parent line) resemble the thin leg and foot of a crane [4] or because such a mark was used to denote succession in pedigree charts. [5] A pedigree ...
An ancestry chart, which is a tree showing the ancestors of an individual and not all members of a family, will more closely resemble a tree in shape, being wider at the top than at the bottom. In some ancestry charts, an individual appears on the left and his or her ancestors appear to the right.
Coalescent theory, a retrospective model of population genetics; Crown group; Genealogy, the study of families and the tracing of their lineages and history; Genetic distance, the genetic divergence between species or between populations within a species; Lowest common ancestor, an analogous concept in graph theory and computer science
Unlocking Your Genetic History : A Step-by-Step Guide to Discovering Your Family's Medical and Genetic Heritage. Nashville, TN: Rutledge Hill Press. ISBN 978-1-4016-0144-7. Guide to the subject of family medical history and genetic diseases. Sykes, Bryan (2002). The Seven Daughters of Eve : The Science That Reveals Our Genetic Ancestry. New ...
Pedigrees are used to help detect many different genetic diseases. A pedigree can also be used to help determine the chances for a parent to produce an offspring with a specific trait. Four different traits can be identified by pedigree chart analysis: autosomal dominant, autosomal recessive, x-linked, or y-linked.
An example of pedigree chart. Date: 16 April 2008: Source: ... Add a one-line explanation of what this file represents. ... Genetics; Usage on si.wikipedia.org ...