该病属常染色体隐性遗传，与X-染色体关联，所以，母亲是基因携带者的男性表现为发病。
The disease is autosomal-recessive and linked to the X-chromosome, so that men whose mothers are carriers of the gene manifest the disease.
目的探讨纯合子定位法在罕见常染色体隐性遗传病致病基因精确定位中的作用。
Objective To evaluate the role of homozygosity mapping in the fine mapping of the genes responsible for the rare autosomal recessive diseases.
目前根据遗传方式分为1型（常染色体显性）和2型（常染色体隐性） ，每一型根据不同基因缺陷又分为许多亚型。
The limb-girdle muscular dystrophies are divided into two types according to inheritance pattern, type 1 is autosomal dominant and type 2 is autosomal recessive.
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