Trait : meaning of TRAIT in Hindi - Definition and Translation.
That left the scientists with only two options: either DNA replicated semiconservatively, as Watson and Crick had predicted, or it replicated dispersively. To differentiate between the two, Meselson and Stahl had to let the cells divide again and then sample the DNA after a second round of replication.
James Watson (left) and Francis Crick discovered the structure of DNA, but only by drawing on the work of many scientists who came before them, including Rosalind Franklin. Enlarge Photo credit: Corbis.