unilateral descent

Definitions of unilateral descent
  1. noun
    line of descent traced through one side of the family
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    types:
    cognation, enation, matrilineage
    line of descent traced through the maternal side of the family
    agnation, patrilineage
    line of descent traced through the paternal side of the family
    type of:
    descent, filiation, line of descent, lineage
    the kinship relation between an individual and the individual's progenitors
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