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12. What are the different types of mutations?​

Sagot :

Answer:

The different types of mutations are:

Point mutations

Insertions

Deletions

Duplication

Inversions

Translocations

Mutations are changes in the DNA sequence that can occur in various ways.

3 Types of Mutation

1. Point Mutations

These involve a change in a single nucleotide base pair. Point mutations can be classified into:

  • Substitutions One base is replaced by another (e.g., A to G).
  • Insertions - An extra base pair is added.
  • Deletions - A base pair is removed.

2. Frameshift Mutations

These occur due to insertions or deletions of nucleotides that are not in multiples of three, shifting the reading frame of the genetic code.

3. Duplications

Involves the repetition of a segment of DNA. This can lead to extra copies of genes.