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Kazeer [188]
3 years ago
13

In what way can DNA segments be changed such that genes are altered or mutated?

Biology
2 answers:
sashaice [31]3 years ago
5 0
<h3><u>Answer;</u></h3>

<em>All the three are correct </em>

  • New DNA segments can be inserted.
  • New DNA segments can be substituted.
  • DNA segments can be deleted.
<h3><u>Explanation</u>;</h3>
  • <em><u>DNA are important molecules that carry hereditary information in all organisms. The nucleotide sequences or the genes are subject to change as a result of mutations.</u></em>
  • <em><u>Mutations are spontaneous random changes that occur in the genetic make up of an organisms or the DNA sequences of an organism.</u></em>
  • <em><u>When mutations occur they can cause insertion of new DNA segments, substitution of DNA sequences with new ones, and also deletion of some sequences of DNA.</u></em>
  • <em><u>Substitutions, deletions and insertion mutations are types of mutations that affect cells at gene level.  </u></em>
uranmaximum [27]3 years ago
3 0
That would be I, II, and III 

I and II will cause a frame shift mutations. 
II can cause horrible effects if the substituted base codes for a stop codon. 
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