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.
1 The double helix structure of DNA was discovered by Dr. James Watson and Francis Crick in 1953. 2  If you unraveled all the DNA molecules in your body and placed them end to end, it would stretch to the Sun and back several times. 3  DNA is organized into structures called chromosomes within the cell.