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 &amp; Bartlett Learning</ref>.<br> | ||
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Latest revision as of 18:06, 4 December 2018
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