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Mutation

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Synonyms

Genetic alterations

Definition

Mutation is defined as a permanent change occurring in the DNA, i.e., nucleotide sequence of a gene or chromosome.

Introduction

Gene is the functional unit of DNA. The characteristic of an individual is determined by its genetic pool. The genes are transferred to the organism from the parental genetic pool through complex process of reproduction. Mutation is a process of alteration of nucleotide sequence within a gene. Altered gene sequence in DNA ultimately leads to alteration in all copies of proteins encoded by that DNA. The alterations in proteins can lead to change in development and functioning of an organism (Lodish et al. 2000).

The genetic configurations keep on changing due to mutational process (Moorjani et al. 2016). The gene-environmental interaction is involved to a larger extent in this complex process. By this evolutionary process, the organism attempts to meet the needs for survival, i.e., mutation keeps an organism evolving....

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Correspondence to Sujita Kumar Kar .

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© 2019 Springer Nature Switzerland AG

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Kar, S.K., Tripathy, S. (2019). Mutation. In: Shackelford, T., Weekes-Shackelford, V. (eds) Encyclopedia of Evolutionary Psychological Science. Springer, Cham. https://doi.org/10.1007/978-3-319-16999-6_1319-1

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  • DOI: https://doi.org/10.1007/978-3-319-16999-6_1319-1

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-16999-6

  • Online ISBN: 978-3-319-16999-6

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