This paper summarizes the main reference families and DNA molecular marker's selection, and the research situation of genetic linkage map and its development prospect on sheep.
本文对绵羊的主要参考家系、构建遗传连锁图的分子标记的选择、绵羊的遗传连锁图的研究现状以及展望进行综述。
However, in the construction of genetic linkage map and the use of molecular marker-assisted breeding, it drops behind the other major crops.
然而其在构建遗传连锁图谱及利用分子标记辅助育种方面，明显滞后于其他主要经济作物。
Therefore, the work of integrating classical map with molecular linkage map becomes a hot focus on silkworm genetic research.
因此，家蚕分子连锁图谱和经典遗传图谱的整合成为目前家蚕遗传学的重要课题和研究热点。
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