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.
Two scientists, James Watson and Francis Crick, worked out the structure of DNA. By using data from other scientists they were able to build a model of DNA. The data they used showed that bases occurred in pairs.