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A point mutation occurs when a single nucleotide gets replaced by a different one. A chromosomal mutation in which a segment is missing is called a deletion.

What is chromosomal mutation ?

  • A chromosome mutation is an unpredictable change that occurs in a chromosome.
  • These changes are most often brought on by problems that occur during meiosis or by mutagens.
  • The four main types of structural chromosomal aberrations are.
  • deletion, duplication, inversion, and translocation.
  • Deletions occur when a portion of the chromosome is deleted, or taken out, which can make that chromosome less functional.

To learn more about chromosomal mutation visit: https://brainly.com/question/28237997

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