威廉综合症（Williams Syndrome）是一种因七号染色体长臂7q11.23区段部分缺损的先天性疾病，这一区域的缺失会大概造成21个基因的失活。患儿有典型的脸部外观，身体瘦小，有轻、中度的智能发展迟缓，牙齿通常长得很慢且小而稀疏。此症病儿常合并先天性心脏病，尤其是主动脉狭窄、肺动脉狭窄或肺动脉瓣狭窄。
对照组的孩子们一如既往地偏爱和自己同一种族、同一性别的人，而威廉斯综合症患儿尽管仍有性别偏好，但却没有种族偏好。
True to form, the control group preferred their own race and gender. The children with Williams syndrome, however, had no racial preference—although they still discriminated by gender.
尽管威廉姆斯综合症患者极少，但是研究这种综合症能够更好的治疗孤独症——一个更加普遍的发展性紊乱症状包括一些社会行为的问题。
While Williams syndrome is relatively rare, studying it might shed more light on autism - a much more prevalent developmental disorder whose symptoms include problems in social behavior.
《当代生物学》中的一项新研究发现，威廉斯综合症患儿无种族偏见。
And a new study published in the journal Current Biology finds that children with Williams syndrome don't make racial stereotypes.
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