Such type of replication is called
(a) non-conservative
(b) semi-conservative
(c) flexible
(d) conservative
[CBSE AIPMT 2000]
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CONNECTING MINDS
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During replication of DNA, its two strands
separate. Each of these serves as a template
for the formation of new strands.
During replication of DNA, its two strands
separate. Each of these serves as a template
for the formation of new strands.
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Correct Option (b) Reason : Since, each daughter DNA molecule contains one strand of the parent DNA double helix (only one strand synthesised afresh) the process of replication
is called semi-conservative. Mathew Meselson and Franklin Stahl in 1958 proved experimentally that DNA replication is semi-conservative.