DNA fingerprinting - definition and synonyms

noun [uncountable] 

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/ˌdiː en eɪ ˈfɪŋɡə(r)ˌprɪntɪŋ/

or DNA profiling 

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/ˌdiː en eɪ ˈprəʊfaɪlɪŋ/

or DNA testing 

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/ˌdiː en eɪ ˈtestɪŋ/

  1. the scientific examination of someone’s DNA to find out whether they are someone’s father, whether they have committed a crime etc