interactive map: human genome/dna - the 'A T,C and G's' of the human genome (BBC) plus video

Note: #3 'junk dna' - there is still much to be learned in those 'junk dna'
 (maybe not 'junk' after all)
 
Introduction All the biological instructions needed to make a human being can be written in just four letters. But the book of those instructions is over three billion letters long. Here, BBC News Online shows how you go from A, T, G and C to a whole person.

also: short video on 'junk dna'