designer baby,designer socialist 这两个词是什么意思啊?

设计婴儿
发现频道/国家地理频道有过一套"designer baby"的特辑，讲述一些父母需要选取无缺憾的健康胚胎,亦有父母选择bb的性别
（http://www.bionetonline.org/English/Content/db_cont1.htm）
designer socialist: someone who is powerful or wealthy but believes that people are equal and should have equal shares in the wealth of the country