Inversion - is a type of structural mutation where a part of chromosomes or a set of genes rotates by 180° on its own axis.
Deletion - is a type of structural mutation that occurs due to the loss of a part of a chromosome as a result of the breakage of the chromosome.
Duplication - is a type of structural mutation where a part of a chromosome is present in excess of the normal composition.
Translocation - is a type of structural mutation resulting from the shift or transfer of a part of a chromosome or a set of genes to a nonhomologous chromosome.