by Roberto — For some­one who learned how to de­ter­mine a short DNA se­quence, say 50 bases, by first tran­scrib­ing a DNA frag­ment into RNA and then se­quenc­ing the RNA us­ing the la­bo­ri­ous fin­ger­print­ing ap­proach (that was 1975), cur­rent DNA se­quenc­ing is noth­ing short of mirac­u­lous.