There is no expression of fragile X chromosome in the proband and his mother of pedigree B,which was futher confirmed as a non-fragile X pedigree by the molecular genetic test.是什么意思_There is no expression of fragile X chromosome in the proband and his mother of pedigree B,which was futher confirmed as a non-fragile X pedigree by the molecular genetic test.在线翻译_英语_读音_用法_例句