noun Historical Linguistics.
the relationship that exists between languages that have developed from a single earlier language.
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- genetic load,
- genetic male,
- genetic map,
- genetic marker,
- genetic psychology,
- genetic screening,
- genetic testing,
- genetically modified,
- genetically modified organism,
Origin of genetic relationship
First recorded in 1875–80
Also called genealogical relationship.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019