To undergo mutational change ( A ) is not a major function of a genetic material
Genetic materials are composed of DNA and RNA, which are hereditary materials composed of chemical compound and they are found in the nucleus of cells ( eukaryotic cells ) or in the cytoplasm of prokaryotic cells.
Genetic materials stores information in relation to the composition of an organism with regards to the physical and internal traits of the organism. genetic materials also catalyze chemical reactions but they do not undergo mutational changes.
Hence we can conclude that To undergo mutational change ( A ) is not a major function of a genetic material.
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