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Question

The smallest segment of a gene which can undergo mutation is called

A
Muton
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B
Recon
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C
Cistron
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D
Interferon
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Solution

The correct option is B Muton
1) Muton is a term coined by Benzer for the smallest mutable site within a cistron. The smallest part of a gene that can be involved in a mutation event; now known to be a single nucleotide pair.
2) Recon are locations within a gene which participate in recombination. There is a minimum distance between recons within a gene, and recombination cannot occur within a recon. The term “recon” is a unit of recombination.
3) Cistron is the largest element in a gene which encodes a polypeptide during protein synthesis.
4) Interferons are a group of signaling proteins made and released by host cells in response to the presence of viruses.
So, the correct answer is 'Muton'.

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