问题详情

下面哪种氨基酸的置换可产生突变体表型？

  (1)Pro to His

  (2)Lys to Arg

  (3)Ile to Thr

  (4)Ile to Val

  (5)Aln to Gly

  (6)Phe to Leu

  (7)Thy to His

  (8)Arg to Ser