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.
The newly discovered DNA repair enzyme is a DNA glycosylase, a family of enzymes discovered by Tomas Lindahl, who received this yearâs Nobel prize for recognizing that these enzymes removed damaged DNA bases through a process called base-excision repair.