Francis Crick and James Watson with a model of the DNA molecule At midday on 28 February ... Without her knowledge, one of her colleagues showed the picture to James Watson. When he saw it ...

Each gene has a particular order of bases in the DNA, and this leads to a particular order of amino acids which create a specific protein. Although many characteristics are controlled by multiple ...

In 1950, biochemist Erwin Chargaff found that the arrangement of nitrogen bases ... molecule. The King's team took an experimental approach, looking particularly at x-ray diffraction images of DNA.