Third-degree relative

Third-degree relatives are a segment of the extended family and includes first cousins, great grandparents and great grandchildren.[1] Third-degree relatives are generally defined by the expected amount of genetic overlap that exists between two people, with the third-degree relatives of an individual sharing approximately 12.5% of their genes.[2] The category includes great-grandparents, great-grandchildren, grand-uncles, grand-aunts, first cousins,[3] half-uncles, half-aunts, half-nieces and half-nephews.

See also

References
  1. "First, Second and Third Degree Relative". bcbst.com. Blue Cross Blue Shield of Tennessee. Retrieved 18 August 2016.
  2. Ludman, Mark (2009). The Encyclopedia of Genetic Disorders and Birth Defects. p. 101. ISBN 9781438120959.
  3. "29 CFR § 1635.3 - Definitions specific to GINA".


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