其次，在分子辅助育种（molecular as- sisted selection，MAS）dP，连锁分析定位到的QTL与 目标基因之间遗传图距往往在1 cM以上，且在MAS 中易发生目标基因...
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在中期，通过分子生物学技术辅助的常规杂交育种(分子标记辅助育种)就足以满足要求了。
In the medium term, conventional crossbreeding helped by molecular biology techniques (a technique called "marker assisted breeding") may suffice.
综述简单重复序列标记（SSR）的特点及在作物遗传图谱构建、品种鉴定及分子标记辅助育种等方面的应用价值。
The characteristics of simple sequence repeats(SSR)and its importance in genetic mapping, variety identifying and molecular markerassistant breeding, etc, are discussed in this article.
以RFLP、RAPD、AFLP和SSR为主的分子标记各具特色，克服了传统遗传标记的缺陷，在分子标记辅助育种中已得到广泛的应用。
Molecular markers such as RFLP, RAPD, AFLP and SSR have characteristics of overcoming the defects of the classic genetic markers, and can be utilized extensively in molecular assisted breeding.
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