For example, the hereditary hemochromatosis mutation protects carriers from iron-deficiency because the mutated gene allows increased efficiency of iron absorption.

例如，因为突变的基因可以提高铁的吸收效率，所以遗传性血色素沉着病突变可以保护带菌者不缺铁。

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Bovine leukocyte adhesion deficiency (BLAD) is autosomal recessive disease. The pathogeny of BLAD is genic mutation of CD18-integrins on the leukocyte.

牛白细胞粘附缺陷病(BLAD)是一种常染色体单基因隐性遗传疾病，病因为白细胞表面整合素cd 18亚单位基因突变所致。

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Objective:To study distribution rule of HBV gene mutation sites in chronical hepatitis B with Yin deficiency of liver and kidney syndrome.

目的：研究慢性乙型肝炎肝肾阴虚证HBV基因突变点的分布规律。

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