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笔者在高中生物学教学中发现，学生对下列一些有关染色体知识的理解时常出现错误。现对此作一简单分析。一、结构理解上的错误染色体是由细丝状染色质高度螺旋化形成。而DNA和蛋白质又是如何构成染色质的呢？对这一问题教材没有提及，学生又经常会问到这个问题。学生们往往根据
The author found in high school biology teaching that students often misunderstand the following about chromosome knowledge. This is a simple analysis of this. First, the erroneous chromosomes in structural understanding are formed by the highly spiraling of filamentous chromatin. How does DNA and protein make up chromatin? There is no mention of textbooks on this issue. Students often ask this question. Students are often based