marker-assisted selection

Through polymorphism analysis of genes associated with hindquarters development on chromosome 18 in Xinjiang meat sheep, we sought genes that are associated with increased hindquarters musculature in the hope to provide theoretical guidance to molecular marker-assisted selection of meat sheep.

通过对新疆肉羊18号染色体与后臀肌发育相关基因的多态性分析，试图找到与新疆肉羊后臀肌性状发达相关基因，为肉羊分子标记辅助选择提供理论线索。

Marker-assisted selection for protein content was conducted in backcross population in wheat.

对小麦回交后代的蛋白质含量进行了分子标记辅助选择研究。

【 Objective 】 Single segment substitution lines ( SSSLs) each with only single chromosome segment from a donor under the same genetic background as the recipient were developed in rice by advanced backcrossing and molecular marker-assisted selection.

目的单片段代换系（SSSL）是通过高代回交和分子标记辅助选择构建的，只含有来自供体亲本的一个染色体片段，遗传背景与受体亲本相同的品系。

Suggesting that this mutation may be a molecular markers that closely linked to a master gene or regulatory factor which impacting cashmere fineness. Therefore, used KIF type I gene genetic marker-assisted selection cashmere fineness has certain basis.

推测该突变位点可能是与影响绒细度的一个主效基因或调控因子紧密连锁的分子遗传标记。因此在山羊育种中利用KIFI基因标记辅助选择绒细度是有一定依据的。

Multigene pyramiding breeding technology centering on molecular marker-assisted selection could select genotypes of milk production traits in DNA level. It overcomes the disadvantage of low accuracy of conventional breeding technology, accelerates genetic progress and improves breeding efficiency.

以分子标记辅助选择为核心的多基因聚合育种技术能直接在DNA水平上对产奶性状的基因型进行选择，克服了传统育种方法准确性低的问题，可显著加快遗传进展，提高育种效率。

Mapping and Marker-assisted Selection of a Brown Planthopper Resistance Gene bph 2 in Rice ( Oryza sativa L. )

水稻抗褐飞虱基因bph2的SSR定位和标记辅助选择(英文 )

At the same time, using the main QTL molecular markers developed by us and China Agricultural University, Combining marker-assisted selection and conventional breeding, making use of the methods of hybrid-backcrossing then self-crossing, molecular marker breeding platform of corn Head Smut resistance will be build.

同时，利用与中国农业大学合作研究开发的主效QTL分子标记，将分子标记辅助选择与常规育种相结合，采用杂交-回交-自交的方法，建立玉米抗丝黑穗病分子标记育种平台。

In the modern animal breeding practice, it's very important to improve breeding efficiency for sex linked, low heritability or late-expressive traits by Marker-assisted selection ( MAS).

在现代动物育种实践中，应用分子标记辅助选择（Marker-Assisted Selection，MAS）对低遗传力性状、伴性性状或表达较晚的性状进行选育具有非常重要的意义。