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苏版高中生物教材 同源染色体之间的交换 PowerPoint PPT Presentation


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苏版高中生物教材 同源染色体之间的交换. 汪忠 [email protected] 2-1 ppt. 按照高中生物课程标准内容标准的要求,基因连锁与互换的内容不作要求。 因此,各种版本的教材一般都不提基因的连锁与互换的概念。苏版教材仅讲其含义,不讲定律,目的是帮助学生理解基因重组的意义。. a. a. A. A. A. A. a. a. A. A. a. a. B. B. b. b. B. B. b. b. b. b. B. B. C. C. c. c. C. c. c. c. c. C. C. C.

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苏版高中生物教材 同源染色体之间的交换

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5886152

[email protected]

2-1 ppt


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