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Sagot :
Answer:
Explanation:
Insertion of a compound other than the correct structure into the DNA strand during replication can result in various consequences, depending on the specific nature and location of the insertion. Some potential outcomes include:
1. **Mutations**: The inserted compound may cause a mutation in the DNA sequence. Mutations can alter the genetic code, potentially leading to changes in protein structure and function.
2. **Gene Disruption**: If the insertion occurs within a gene, it may disrupt the normal sequence of that gene. This can interfere with the gene's expression or function, leading to abnormal protein production or non-functional proteins.
3. **Frameshift Mutations**: Insertions can cause frameshift mutations if they alter the reading frame of the DNA sequence. This occurs when the number of nucleotides inserted is not a multiple of three, shifting the codon reading frame and leading to incorrect amino acid sequences in proteins.
4. **Gene Regulation Changes**: In some cases, insertions can affect regulatory regions of DNA, such as promoters or enhancers. This can impact the regulation of gene expression, potentially leading to overexpression or underexpression of genes.
5. **Chromosomal Abnormalities**: Large insertions or insertions in specific regions of chromosomes can cause chromosomal abnormalities. This includes structural changes such as translocations, deletions, or duplications, which can have significant consequences on cell function and viability.
In summary, the insertion of a compound other than the correct structure into the DNA strand during replication can lead to a variety of genetic and molecular consequences, ranging from mutations and gene disruptions to broader chromosomal abnormalities, depending on the specifics of the insertion event.
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