The 20 th century was dubbed ‘the century of the gene’. You could say it started with the coining of the word ‘gene’ in 1903. Fifty years later, James Watson and Francis Crick used Rosalind Franklin’s ...

Your genes code for all your traits. Some genes are dominant and expressed if you receive a copy from one parent. Others are recessive and only apparent if you receive a copy from both parents. Genes ...