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当前学科:高考生物
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一对夫妇,如生女孩,则女孩全为色盲基因携带者;如生男孩,则男孩全部正常。这对夫妻的基因型为()
A . XBXB、XbY
B . XBXb、XBY
C . XbXb、XBY
D . XBXb、XbY
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