Suggest why: a. A mutation in which one nucleotide of a triplet code is altered often makes

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Suggest why:

a. A mutation in which one nucleotide of a triplet code is altered often makes no difference to the protein molecule coded by the DNA [2]

b. The addition or deletion of three nucleotides in the DNA sequence of a gene often has less effect on the encoded protein than the addition or deletion of a single nucleotide.

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Cambridge International AS And A Level Biology

ISBN: 9781107636828

4th Edition

Authors: Mary Jones, Richard Fosbery, Jennifer Gregory, Dennis Taylor

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