The types of chromosomal mutations are deletions and duplications.
Mutations are changes in genetic material (DNA) and chromosomes that can be passed on genetically to offspring. Several diseases in humans caused by mutations are color blindness and thalassemia.
Chromosomal mutations usually cause changes in genetic material on a large scale. Chromosomal mutations are of four types namely translocation, translocation, inversion and duplication. The two types of mutations that depend on size and inclusion of genes for the development of an organism are duplications and deletions.
Deletion is the loss of part of a chromosome during the process of meiosis, so that many important genes are lost in individual expression. While Duplication is a chromosomal mutation in which some chromosomes replicate causing the addition of the same gene in one section.
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