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？

耶鲁公开课 - 心理学导论课程节选