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【单选题】
假说——演绎法是现代科学研究中常用的方法，包括“提出问题、作出假设、演绎推理、检验推理、得出结论”五个基本环节。利用该方法，孟德尔发现了两个遗传规律。下列关于孟德尔的研究过程的分析错误的是（）A.
提出问题是建立在豌豆纯合亲本杂交和F1自交遗传实验基础上的
B.
孟德尔所作假设的核心内容是“性状是由位于染色体上的基因控制的”
C.
为了验证所作出的假设是否正确，孟德尔设计并完成了测交实验
D.
孟德尔发现的两大遗传定律使用的范围是有性生殖的真核生物的核基因。
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