Q. DNA replication is

 3104  224 AIPMTAIPMT 1989Molecular Basis of Inheritance Report Error

Solution:

DNA replication is semi-conservative and semi-discontinuous. Meselson and Stahl, 1958 by using l4N and l5N confirmed that the replication of DNA in E- coli is semi conservative. Carin, 1963 by using 3H in thymidine also confirmed semi-conservative mode of DNA replication in this bacterium.