Meaning of âtraitâ in the English Dictionary. See all translations. uk â /treÉªt/ us â /treÉªt/. C2 a particular characteristic that can produce a particular type of behaviour: His sense of humour is one of his better traits. Arrogance is a very unattractive personality/character trait.
It appeared in April 1953 in the scientific paper where James Watson and Francis Crick presented the structure of the DNA-helix, the molecule that carries genetic information from one generation to the other.
The two sides of DNA are held together by hydrogen bonds. These bonds contribute to the characteristic double helix structure first proposed by scientists James Watson and Francis Crick in 1953. Hydrogen bonds are formed between four nitrogenous bases found within DNA.