Watson and Francis Crick presented their molecular modeling analysis of the DNA X-ray diffraction patterns to suggest that the structure was a double-helix.Although the `B-DNA form' is most common under the conditions found in cells, it is not a well-defined conformation but a family of related DNA conformations that occur at the high hydration levels present in living cells.. 
Bótilẹ̀jẹ́pé ìlú Abudo àkọ́kọ́ jẹ́ dídásílẹ̀ ní 1532, imusin kọ́ bẹ̀rẹ̀ títí tó fi di 1534, nígbàtí ọba dom João 3 Ilé Portugal pin ibẹ̀ sí ilé Baṣọ̀run ajogún méjìlá.. 