分子标记辅助育种（Marker assisted selection,MAS）,直接从DNA分子水平上反映种间差异,不受环境、发育阶段、组织等的影响,稳定可靠,多态性好,因而在家畜育种中被广泛利用,本文详尽概述了分子标记辅助选择对于遗传力低的性状如肉质性状和屠宰性状等改良效率相关的研究进展。%MAS (Marker assisted selection) reflects interspecific difference directly from DNA molecu lar level, which is not influenced by environment,development stage, tissues and so on. It is immobile reli abilty and good polymorphism. So MAS is widely used in animal breeding. This article detailed outlines molecular marker assisted selection for genetic traits such as low heritability traits and slaughtering proper ties related on improving efficiency.
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