The answer to both questions was proposed in the last sentence of a longer paper Watson and Crick published a month later.
The hypothesis we are suggesting is that the template is the pattern of bases formed by one chain of the deoxyribonucleic acid and that the gene contains a complementary pair of such templates.
Basically, what they were suggesting is that one strand of the DNA molecule is used as a template and information is copied from it.
Keywords:
james watson and francis crick,james watson francis crick,watson and crick,francis crick,dna molecule,complementary pair,nature paper,deoxyribonucleic acid,hypothesis,strand,templates
James Watson teamed up with Francis Crick to figure out the structure of DNA in 1953. With the secret of life revealed, Watson was intrigued by the prospect of manipulating living things.