trinucleotide repeat expansion diseases, TREDs三核苷酸重复扩增疾病 triplet code三联体密码 somy三体型 Turner syndrome Turner综合征 variable number of tandem repeats,NTR可变数目串联重复 ventricular septal defect,VSD室间隔缺损 vitamin d- resistant rickets抗维生素D佝偻病 X chromatin X染色质 X inactivation X染色体失活 X- linked dominant inheritance,XDX伴性显性遗传 X- - linked inheritance伴性遗传 X- linded recessive inheritance,XRX连锁隐性遗传 xeroderma pigmentosum,XP着色性干皮病 Y chromatin y染色质 Y-linked inheritance Y连锁遗传trinucleotide repeat expansion diseases，TREDs 三核苷酸重复扩增疾病 triplet code 三联体密码 trisomy 三体型 Turner syndromeTurner 综合征 V variable number of tandem repeats，VNTR 可变数目串联重复 ventricular septal defect，VSD 室间隔缺损 vitamin D-resistant rickets 抗维生素 D 佝偻病 X X chromatin X 染色质 X inactivation X 染色体失活 X-linked dominant inheritance，XD X 伴性显性遗传 X-linked inheritanceX 伴性遗传 X-linded recessive inheritance，XR X 连锁隐性遗传 xeroderma pigmentosum，XP 着色性干皮病 Y Y chromatin Y 染色质 Y-linked inheritance Y 连锁遗传