1.连续地插入(AAG ATA , CCC => ACC CAG ATA;AAC CCG ATA;AAG CCC ATA)最多:2;最少:02.不连续插入(AAG ATA GTA, CCC => ACA GAT AGT ACC;CAA GAT CAG TAC;AAG ATA GCT CAC)最大:基因所编码的氨基酸总数;最小:0