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Marysya12 [62]
3 years ago
15

After many cell divisions, a segment of DNA has more base pairs than it originally did. Make a claim about how this could happen

. Summarize evidence to support the claim and explain your reasoning.
Biology
1 answer:
Vika [28.1K]3 years ago
6 0

Answer:

It could happen through mutation

Explanation:

<em>A segment of DNA after many cell divisions could have more base pairs than it originally did as a result of mutation.</em>

Mutation is generally defined as a sudden change to the DNA sequence of a cell. This change could be of difference forms, including:

  • <em>Addition of bases</em>
  • <em>Deletion of bases</em>
  • <em>Substitution of bases</em>

<u>Addition of bases to a DNA will generally lead to a longer base pairs in the DNA, deletion will lead to a shorter base pairs while substitution will only lead to a change in the base sequence without any change in the length of the DNA.</u>

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