| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | dna | Europe | Used in criminal investigations and medical research to identify individuals and genetic predispositions. | 1 |
| 2 | dna | Europe | DNA testing for genealogy and ancestry is popular and widely available. | 1 |
| 3 | double helix structure of dna | Europe | Commonly associated with the discovery by James Watson and Francis Crick in 1953 | 1 |