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在多年的高中生物教学过程中,我发现有几个生物学问题很容易被学生误解.学生对这些问题理解上存在偏差,这将直接影响他们对有关生物学基础知识的掌握和应用.现例举如下:错误观点一、受精作用属于基因重组基因自由组合定律是指在生物体通过减数分裂产生配子时,随着非同源染色体的自由组合,其上的非等位基因也自由组合.受精作用是指不同基因型的配子结合成受精卵的过程,
During many years of high school biology teaching, I found that a few biological problems are easily misunderstood by students, and students’ understanding of these problems is biased, which will directly affect their mastery and application of the basic biological knowledge. The following is a misconception: Fertilization belongs to the gene recombination gene The free combination law means that when the organism produces gametes by meiosis, the non-alleles are also freely combined with the free combination of non-homologous chromosomes. Fertilization is the process of gametes of different genotypes combined into fertilized eggs,