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Sagot :
Certainly! Let's match each changed nucleotide sequence to the corresponding type of mutation:
\begin{tabular}{|l|l|l|}
\hline
Type of Mutation & Original Nucleotide Sequence & Changed Nucleotide Sequence \\
\hline
deletion & CATTCACACG & CATTCACG \\
\hline
insertion & CATTCACACG & CATTCACACCACG \\
\hline
inversion & CATTCACACG & CATTECACAC \\
\hline
duplication & CATTCACACG & CATTCACACA \\
\hline
substitution & CATTCACACG & CATTTCACACG \\
\hline
\end{tabular}
### Explanation:
1. Deletion: A portion of the nucleotide sequence is removed.
- Original: CATTCACACG
- Changed: CATTCACG (One "C" and one "A" are removed)
2. Insertion: An additional sequence is added into the original sequence.
- Original: CATTCACACG
- Changed: CATTCACACCACG (The sequence "CAC" is inserted)
3. Inversion: A section of the sequence is reversed.
- Original: CATTCACACG
- Changed: CATTECACAC ( "C" and "A" at third and fourth position from the end are swapped to "E")
4. Duplication: A portion of the sequence is repeated.
- Original: CATTCACACG
- Changed: CATTCACACA (The sequence "ACA" is duplicated)
5. Substitution: One nucleotide is replaced by another.
- Original: CATTCACACG
- Changed: CATTTCACACG (The second “A” is substituted with “T”)
By carefully comparing the original sequence with each changed sequence, we can identify which type of mutation has occurred in each case.
\begin{tabular}{|l|l|l|}
\hline
Type of Mutation & Original Nucleotide Sequence & Changed Nucleotide Sequence \\
\hline
deletion & CATTCACACG & CATTCACG \\
\hline
insertion & CATTCACACG & CATTCACACCACG \\
\hline
inversion & CATTCACACG & CATTECACAC \\
\hline
duplication & CATTCACACG & CATTCACACA \\
\hline
substitution & CATTCACACG & CATTTCACACG \\
\hline
\end{tabular}
### Explanation:
1. Deletion: A portion of the nucleotide sequence is removed.
- Original: CATTCACACG
- Changed: CATTCACG (One "C" and one "A" are removed)
2. Insertion: An additional sequence is added into the original sequence.
- Original: CATTCACACG
- Changed: CATTCACACCACG (The sequence "CAC" is inserted)
3. Inversion: A section of the sequence is reversed.
- Original: CATTCACACG
- Changed: CATTECACAC ( "C" and "A" at third and fourth position from the end are swapped to "E")
4. Duplication: A portion of the sequence is repeated.
- Original: CATTCACACG
- Changed: CATTCACACA (The sequence "ACA" is duplicated)
5. Substitution: One nucleotide is replaced by another.
- Original: CATTCACACG
- Changed: CATTTCACACG (The second “A” is substituted with “T”)
By carefully comparing the original sequence with each changed sequence, we can identify which type of mutation has occurred in each case.
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