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正常人的α-珠蛋白结构基因是重复的,而且紧密联锁。用限制性酶Eco RI切割,在凝胶印迹实验(gel blotting experiment)中发现核基因位于基因组DNA的22.5kb(千碱基对)的片段中。在α-地中海贫血的DNA样本中可观察到与正常复合的
Normal human alpha-globin structural genes are repetitive and closely linked. Cleaved with the restriction enzyme Eco RI, the nuclear gene was found in a 22.5 kb (kilobase pair) fragment of genomic DNA in a gel blotting experiment. In the α-thalassemia DNA samples can be observed with the normal complex