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vagabundo [1.1K]
3 years ago
13

This is the normal nucleotide sequence on a DNA strand: A—C—T—G—G—A—T What is a substitution?

Biology
2 answers:
Anna007 [38]3 years ago
8 0

Ans.

A substitution mutation can be defined as a mutation, which occurs due to exchange of a nitrogenous base for another (such as adenine to cytosine). This mutation can change the sequence of DNA and may results in a completely different gene product, sue to change in codon sequence.

The sequence 'A—G—T—G—G—A—T' represents a substitution mutation for normal nucleotide sequence as second base (cytosine) is exchanged with guanine in mutated sequence.  

Thus, the correct answer is option). 'A—G—T—G—G—A—T.'

Elza [17]3 years ago
6 0

Answer:

Answer C,   A—G—T—G—G—A—T

Explanation:

I took the quiz

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