biological

Adjective
  1. Pertaining to biology or to life and living things (synset 302676508)
    same as: biologic
  2. (of a parent or child) related by blood;
    Genetically related (synset 301408930)
    "biological child"; "natural parent"
    similar to: begotten - (of offspring) generated by procreation
    same as: natural

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