Respuesta :
Answer: The change in the structure of the genes or change in the DNA sequence is called mutation. The mutations are of different types that are deletion, rearrangement, insertion and others.
Explanation:
Mutation in which the one to several nucleotides get changed at a point is called point mutation. The point mutation can be in the form of deletion, substitution, and insertion. Deletion will involve the removal of nucleotide that involves the change in the sequence of DNA. When the nucleotide is added to the genome it is called insertion. In deletion and insertion the whole sequence of nucleotides from the point of mutation get displaced this affect the codons in the amino acid sequence which is responsible for protein synthesis so the functioning of the body may get affected by such mutations.
In the case of substitution the new nucleotides are added to the DNA sequence and the one which was already present at that place is removed. So, only one amino acid in the sequence will change so the polypeptide structure will not be affected.
When there is a change in the structure of the genes or there is any change in the DNA sequence so we called them mutation.
Mutation:
The mutation is considered when there are several nucleotides that varied at a point is known as the point mutation. The point mutation could be in various forms like deletion, substitution, and insertion. Deletion includes the elimination of nucleotides that includes the change in the sequence of DNA. At the time when the nucleotide is added to the genome, it is known as insertion.
In substitution, the new nucleotides should be added to the DNA sequence and the one i.e. available at that place is removed. Due to this, the polypeptide structure will not be impacted.
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