本题目来源于试卷: SL/HL Topic D3.2 Inheritance，类别为 IB生物学
[单选题]
4. Which of the followingolhjea1lsf c8w6s3 b-zc; bak2) s-e4 besti4woi*7jszlf-b153fb 3kq y t defines the term, “gene”?
A. A heritable factor made of a length of DNA that influences many characteristics.
B. A heritable factor made of a length of mRNA that influences many characteristics.
C. A heritable factor made of a length of DNA that influences a specific characteristic.
D. A heritable factor made of a length of mRNA that influences a specific characteristic.
参考答案: C
本题详细解析:
暂无
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