Meselson and Stahl conducted an experiment in which the double-stranded DNA helix when replicated, each of the two new double-stranded helices consisted of one strand from the original helix and one newly hypothesis of DNA does this experiment support?

Conservative

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Semi-conservative

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Dispersive

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All of the above

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Solution

The correct option is A Semi-conservative
The experiment performed by Messelson and Stahl proves that the replication pattern of the DNA is semi-conservative. The DNA helix is composed of two strands. During replication, the strands separate and the new strands are formed on the original template strands. One of the strand remains the older and one new strand is synthesized and the process is known as semi-conservative.
Thus, the correct answer is option B.

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