| DOUBLEHELIX | Spiral arrangement of the two complementary strands of DNA: 2 wds. |
| FRANCISCRICK | Codiscoverer of the structure of DNA: 2 wds. |
| JAMESWATSON | Codiscoverer of the structure of DNA: 2 wds. |
| YINYANG | In Eastern thought, this terms refers to the two complementary forces that make up all aspects and phenomena of life. One is a symbol of earth, femaleness, darkness, passivity, and absorption, symboli |
| EXCON | Former prisoner is caught, nailed by segment of DNA (2-3) |
| GENIE | Strand of DNA, one found inside bottled spirit (5) |
| GENE | Vincent Simmons's strand of DNA |
| PILLARS | Architectural features that figure in a spiral arrangement (7) |
| COIL | Spiral arrangement |
| YANG | The male half of two complementary principles in Chinese philosophy |
| YINAND | Two complementary principles of Chinese philosophy (3,3,4) |
| YIN | One of two complementary Asian forces |
| ANAGLYPH | Image superimposed upon itself in two complementary colours, rendered 3D when viewed through spectacles of those colours (8) |
| YINANDYANG | Any Ginny 'ad experimented with were two complementary principles (3,3,4) |
| ISOMER | One of two compounds differing in arrangement of the same atoms |
| AIRONTHE | Name given to an 1871 arrangement of the second movement of Bach's Suite no. 3 in D for orchestra (3,2,3,1,6) |
| GSTRING | 'Air on the ---', arrangement of the second movement of Bach's Suite no. 3 (1-6) |
| CABANAS | [One arrangement of the letters in the grid] |
| REAR | [Another arrangement of the letters in the grid] |
| SEAL | [Another arrangement of the letters in the grid] |