果蝇唾腺染色体观察实验教学的改革与探索

Innovation and exploration of fruit fly salivary gland chromosome observation experiment teaching

果蝇唾液腺染色体观察实验中,传统的方法因为种种原因效果较差。根据长期的教学实践,对该实验作了一些改革与探索。实践证明,改革后实验材料易获得,步骤简洁,所制装片清晰,取得较好的效果。

In the course of teaching genetics experiments,traditional methods have poor effects for kinds of matters. According to long-time teaching practice,the article probes into innovation and exploration for the experiment. It is proved that duing to reform,the experimental materials are obtained easily,methods is simple,observation is clear and the results are good.