“父系遗传”是区别于“母系遗传”的一种遗传方式，父系Y染色体可以通过男性后代一代代相传，线粒体也可由父系遗传。
③父系遗传与母系遗传后代发病年龄及临床表型均无统计学差异。
There was no significant difference of mean age of onset and disease severity between patients of paternal inheritance and maternal inheritance.
且以父系半同胞法估计了血脂和蛋黄性状的遗传参数。
The genetic parameter of plasma lipid composition and egg yolk traits using paternal line half sib are also estimated.
在估计遗传及表型参数时，建立系统分组模型剔除非遗传效应的父系半同胞法优于简单的父系半同胞法；
It is more accurate to estimate genetic and phenotypic parameters from a hierachical classification model excluding non-genetic deviattion than from a simple paternal half-sib correlation.
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