Explain the different types of chromosomal mutations?

There are four different types of chromosomal mutations: Deletions, Translocations, Duplications and Inversions (pictured below). Note that any chromosome mutation resulting in a significant loss of genetic material (Deletion) is most likely to be lethal.

deletion is where a section of a chromosome is removed.

translocation is where a section of a chromosome is added to another chromosome that is not its homologous partner.

inversion is where a section of a chromosome is reversed.

duplication occurs when a section of a chromosome is added from its homologous partner.

Chromosome mutations are often lethal as the chromosome structure is altered.

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