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供体的胚胎移植到受体后游离的胚胎在�育过程中形成胎盘与受体相连并通过胎盘与受体的血液进行物质交换以下说法正确的是 A．受体为供体 Template






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tomski供体的胚胎移植到受体后游离的胚胎在�育过程中形成胎盘与受体相连并通过胎盘与受体的血液进行物质交换以下说法正确的是 a．受体为供体 coloring
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