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Serggg [28]
3 years ago
13

What is a change in a DNA sequence called

Biology
1 answer:
Shkiper50 [21]3 years ago
6 0
Mutation. this happens when a cell copies its DNA to divide. its more common than you may think, a "typo" occurs every 100, 000 or so nucleotides, thats about 120, 000 "typos" every time a cell divides. 
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Assume that a DNA double helix contains 100 base pairs (one pair is A-T or C-G) and there are 45 cytosines.
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