transversion

noun
trans·​ver·​sion | \ tran(t)s-ˈvər-zhən, tranz- How to pronounce transversion (audio) \

Medical Definition of transversion

1 : the eruption of a tooth in an abnormal position on the jaw
2 : a mutation in RNA or DNA that results from the substitution of a purine base for a pyrimidine base or of a pyrimidine base for a purine base

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