Objective:Short tandem repeats (STRs) sequences 4A, 9A and 9B were used to detect gene dup lication of Charcot Marie Tooth disease type 1A(CMT1A).

• 目的 :应用位于 17p11 2 p12的短串联重复序列 (STR) 4A、9A和 9B检测腓骨肌萎缩征 1A型的基因重复。