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Question

The semi-conservative replication of DNA was given by

A
Watson and Crick
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B
Bateson and Punnett
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C
Messelson and Stahl
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D
Avery, McCarty and Mactleod
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Solution

The correct option is A Watson and Crick
The semi-conservative replication of DNA was given by Watson and Crick. Watson and Crick first proposed the DNA model. They showed that each strand of the DNA molecule, act as a template for the other strand . During cell division, the two strands separate and on each strand a new "other half" is built, just like the one before. This way DNA can reproduce itself without changing its structure except, for occasional errors, or mutations. The hypothesis was supported by Messelson and Stahl experiment.
So, the correct answer is option A.

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