Definition of Point mutation

1. Noun. (genetics) a mutation due to an intramolecular reorganization of a gene.

Exact synonyms: Gene Mutation
Category relationships: Genetic Science, Genetics
Generic synonyms: Chromosomal Mutation, Genetic Mutation, Mutation

Definition of Point mutation

1. Noun. (genetics) A mutation that involves the replacement, addition or deletion of a small number of bases (especially just one) at a specific site within a gene ¹

¹ Source: wiktionary.com

Medical Definition of Point mutation

1. Mutation that causes the replacement of a single base pair with another pair. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Point Mutation

point duty
point epidemic
point function
point functions
point group
point groups
point guard
point guards
point in time
point jam
point lace
point man
point men
point mutation (current term)
point mutations
point of accumulation
point of apoapsis
point of articulation
point of contact
point of departure
point of elbow
point of entry
point of fixation
point of honor
point of inflection
point of interest
point of intersection

Literary usage of Point mutation

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Lifelong Passion: Nicholas and Alexandra: Their Own Story by Andrei Maylunas (2005)
"The correlation between clinicopathologic findings and point mutation in codon ... This study revealed that the point mutation of c-Ki-ras codon 12 in lung ..."

2. Selected Proceedings of the Sheffield Symposium on Applied Probability by Ishwar V. Basawa, Robert Lee Taylor (1991)
"The point mutation rate in higher animals is about 5 x io~9 per site per year (Li ... A more important type of non-simple-point mutation is gene conversion ..."

3. Smokeless Tobacco Or Health: An International Perspective by DIANE Publishing Company (1993)
"Some of the tobacco-specific carcinogens, such as nitrosamines, which form DNA adducts, are known to have positional preference for inducing point mutation ..."

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