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.
PIcture of DNA. At the laboratory of British scientist Maurice Wilkins, Rosalind Franklin was able to create an image of DNA molecules using x-ray diffraction. In the process, x rays bombard the DNA molecule. When the x ray hits the particle within the molecule, the ray bounces off the particle. DNA is a spiral shape.