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.
James Watson used cardboard cutouts representing the shapes of the DNA bases to figure out how bases pair. SOURCE: DNAi. 15543. James Watson and Francis Crick. James Watson and Francis Crick, Cambridge University, 1953. SOURCE: DNAi. 16441. Problem 19: The DNA molecule is shaped like a twisted ladder.