Transition mutation: Difference between revisions
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A Transition mutation occurs when a purine base (adenine/guanine) is substituted for a fellow purine base or a pyrimidine base (cytosine/thymine) is substituted for a fellow pyrimidine base. It is the opposite of a transversion mutation which occurs when a pyrimidine is exchanged for a purine base, or vice-versa. | A Transition mutation occurs when a [[purine|purine]] base ([[adenine|adenine]]/[[guanine|guanine]]) is substituted for a fellow [[purine|purine]] base or a [[pyrimidine|pyrimidine]] base ([[cytosine|cytosine]]/[[thymine|thymine]]) is substituted for a fellow pyrimidine base. It is the opposite of a transversion mutation which occurs when a pyrimidine is exchanged for a purine base, or vice-versa <ref>Hartl D, Ruvolo M (2011), Genetics 8th edition, Massachusettes, Jones & Bartlett Learning</ref>.<br> | ||
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Revision as of 12:13, 29 November 2012
A Transition mutation occurs when a purine base (adenine/guanine) is substituted for a fellow purine base or a pyrimidine base (cytosine/thymine) is substituted for a fellow pyrimidine base. It is the opposite of a transversion mutation which occurs when a pyrimidine is exchanged for a purine base, or vice-versa [1].
References
- ↑ Hartl D, Ruvolo M (2011), Genetics 8th edition, Massachusettes, Jones & Bartlett Learning