Point Mutation: Definition, Types, Examples | Biology Dictionary
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WebOct 4, 2019 · A point mutation is a type of mutation in DNA or RNA, the cell’s genetic material, in which one single nucleotide base is added, deleted or changed. DNA and RNA are made up of many nucleotides. There are five different molecules that can make up nitrogenous bases on nucleotides: cytosine, guanine, adenine, thymine (in DNA) and …
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