在高代回交导入系的选择群体中,“遗传搭车”或一因多效都可能造成性状间的遗传重叠(Genetic Overlap)。选择响应(特别是分子水平的选择印迹)和遗传重叠是高代回交导入系选择群体在分子育种利用中的两个基本问题。
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在所有的聚合群体中,都定位到同时影响水稻高产、抗旱、耐盐性的遗传重叠位点,比较集中的分布在第1、3和6染色体上。
Genetic overlapping regions affecting HY, together with DT or st detected in all pyramiding populations were mainly distributed in chromosomes 1, 3 and 6.
如果是这样,那就表明另外的的基因重叠,是没什么影响的,也就是说遗传的影响也很小,收养的儿童,和他们的兄弟姐妹会很相似吗?
If so, then it would show that that extra overlap in genes doesn't really matter and so, it would suggest a low role of heredity Are adopted children highly similar to? Their brothers and sisters?
“由于长毛猛犸和哥伦比亚猛犸的生活区域会发生周期性的重叠,所以它们可能具有相似的生活习惯和相似的遗传标记。” Enk说。
"Since woolly and Columbian ranges periodically overlapped in time and space, it's likely that they engaged in similar behaviour and left a similar genetic signal, " Enk said.
If so, then it would show that that extra overlap in genes doesn't really matter And so, it would suggest a low role of heredity Are adopted children highly similar to ? their brothers and sisters?
如果是这样,那就表明另外的的基因重叠,是没什么影响的,也就是说遗传的影响也很小,收养的儿童,和他们的兄弟姐妹会很相似吗?
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