课件14张PPT。XBXBXbYXbYXBXBXBYXBXbXBXbXBYXBXbXBYXBXbXBXbXBXBXBXbXbXbXBYXbY正常正常(携带者)患者正常患者男性女性X和Y染色体同源区段X染色体特有区段Y染色体特有区段红绿色盲基因XYXBXBXbYXbYXBXBXBYXBXbXBXbXBYXBXbXBYXBXbXBXbXBXBXBXbXbXbXBYXbY正常正常(携带者)患者正常患者XBXBXbYXbYXBXBXBYXBXbXBXbXBYXBXbXBYXBXbXBXbXBXBXBXbXbXbXBYXbY正常正常(携带者)患者正常患者亲代配子子代XBXBXbY父本母本XBYXbXBYXBXb1 : 1×第一组亲代配子子代XBXbXBY父本母本XBYXBXBYXBXb1 : 1 : 1 : 1XbXbYXBXb×第二组亲代配子子代XBXbXbY父本母本XBYXbXBYXBXb1 : 1 : 1 : 1XbXbYXbXb×第三组亲代配子子代XbXbXBY父本母本YXB1 : 1XbXbYXBXb×第四组几种伴性遗传的过程XBXBXbYXbY