transversion

trans.ver.sion

n.（名词）
A point mutation in which a purine is replaced by a pyrimidine, or a pyrimidine is replaced by a purine.
转置点，易位点：用嘧啶代替嘌呤或用嘌呤代替嘧啶的点突变

来源：
Probably trans-
Probably trans-
(in)version
(in)version