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A distant DNA match is a clue, not an identity

Shared stretches of DNA offer clues about possible relationships; family records and independent evidence have to do more work. The US Justice Department’s 2019 policy makes the distinction explicit: a genetic association is a lead, not by itself grounds for an arrest.

5–7 min

Questions you could explore

  • Why might the same amount of shared DNA fit more than one family relationship?
  • Whose privacy is involved when one person contributes a sample?

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4–6 min
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3–5 min
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3–5 min
A distant DNA match is a clue, not an identity | Speech Topic | speaking.app