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.
A+E Networks. On this day in 1953, Cambridge University scientists James D. Watson and Frances H.C. Crick announce that they have determined the double-helix structure of DNA, the molecule containing human genes.hese events are recapped by Russell Mitchell in this video clip from This Day in History. The discovery of DNA by James Watson and Frances Crick being a major one for the scientific community. Not only was DNA discovered on this day, but the Republican Party was founded in Wisconsin.