Francis Harry Compton Crick: Gwahaniaeth rhwng fersiynau

Biolegydd moleciwlar a enillodd Gwobr Nobel <ref>{{eicon en}} https://www.nobelprize.org/nobel_prizes/medicine/laureates/1962/crick-facts.html</ref>yn 1962, ynghyd a James Watson<ref>{{eicon en}} https://www.nobelprize.org/nobel_prizes/medicine/laureates/1962/watson-facts.html</ref> a Maurice Wilkins<ref>{{eicon en}} https://www.nobelprize.org/nobel_prizes/medicine/laureates/1962/wilkins-facts.html</ref>, am ei ran yn darganfod strwythur [[DNA]]. [[DNA]] yw un o folecylau mwyaf dylanwadol bywyd ar y ddaear.