It had been identified as the carrier of genetic information by the Avery–MacLeod–McCarty experiment in 1944, but the mechanism of how genetic information was stored in DNA was unclear.
Identifikovani su nosioci genetičke informacije putem Averi–Maklaud–Makartijog eksperimenta iz 1944. godine, ali mehanizmi čuvanja informacija u DNK su još uvek bili nejasni.