遗传系谱的快速判别方法

• 作 者: 游新爱
• 机 构: 山东省东明县第三中学!274503
• 出 处: 生物学教学
• 发表日期: 1999年01期
• 关键词: 生物学教学 有中 教学过程 山都

遗传系谱的判别问题，一直是生物学教学中的一个难点，学生总是感到无从下手。有些刊物上介绍的判别方法又比较繁琐，不易掌握，应用起来也比较麻烦。本人在教学过程中，摸索出一种快速简便的判别方法，收效甚好。为了便于学生掌握，可编成顺口溜记忆：“无中生有为隐性；有中

The identification of genetic pedigrees has always been a difficulty in biology teaching. Students always feel that they have no way to start. The discriminating methods introduced in some journals are cumbersome, difficult to grasp, and difficult to apply. In the process of teaching, I found out a quick and easy method of discrimination and achieved very good results. In order to facilitate students’ mastery, they can compile a memory of “Thanks”: “Nothing is hidden;