脆性X综合征,一个X染色体上的基因突变,是遗传性智力障碍最常见的来源,每4000名男孩和每6000名女孩中就有一名儿童患有该症。
Fragile X syndrome, a single genetic mutation on the X chromosome, is the most common source of inherited mental impairment, affecting one in every 4,000 boys and one in every 6,000 girls.
脆性X综合征,一个X染色体上的基因突变,是遗传性智力障碍最常见的来源,每4000名男孩和每6000名女孩中就有一名儿童患有该症。
Fragile X syndrome, a single genetic mutation on the X chromosome, is the most common source of inherited mental impairment, affecting one in every 4, 000 boys and one in every 6, 000 girls.
家系先证者及其母亲,F家系先证者发现可疑脆性X染色体,分子遗传学检查证实为非脆性X综合征家系。
The probands of pedigrees E and F of the mother were found with suspicions fragile X chromosome, being confirmed as the non-fragile X pedigrees by the molecular genetic test.
家系先证者及其母亲,F家系先证者发现可疑脆性X染色体,分子遗传学检查证实为非脆性X综合征家系。
The probands of pedigrees E and F of the mother were found with suspicions fragile X chromosome, being confirmed as the non-fragile X pedigrees by the molecular genetic test.
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