种皮、果皮、胚和胚乳的遗传是高考命题的热点,该热点又是学生学习的难点,难就难在学生对果实、种子的结构和来源等知识容易混淆,以及对果皮、种皮种子各部分遗传组成及与上下代遗传关系不易理解。因此高三复习中有必要将植物个体发育知识和遗传知识加以整合。一、果实和种子的 The inheritance of testa, pericarp, embryo and endosperm is a hot spot of college entrance examination propositions. The hot spot is also a difficult point for students to learn. It is difficult to easily confuse students’ knowledge of the structure and origin of fruits and seeds, as well as the skin and seed coat seeds. The genetic composition of each part and its genetic relationship with the next generation is not easy to understand. Therefore, it is necessary to integrate plant individual development knowledge and genetic knowledge in the third year review. First, fruits and seeds