Teaching model for demonstrating cell division
A technology of cell division and teaching models, applied in teaching models, educational tools, instruments, etc., can solve the problems of inconsistent flexibility, lack of flexibility, and inability to meet the needs of students' autonomy, cooperation, and inquiry learning, and achieve the goal of using wide range of effects
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[0020] In order to make the technical solution of the present invention clearer, the present invention will be further described below in conjunction with specific embodiments of the accompanying drawings.
[0021] The present invention consists of a chromosome morphological structure model with DNA and genes (see Figure 1-2 ), demonstrating the homologous chromosome model of crossing over during the tetrad period, demonstrating the constriction of the cell membrane during the mitosis of animal cells, the division wall of plant cells and the expansion of the cell plate into the cell wall at the end of division, and the expansion of the cell division retractable rope of cell amitosis composition.
[0022] Application 1. Demonstrate the morphological structure of chromosomes, the relationship between chromosomes, chromatids, and DNA (genes):
[0023] (a) Using unreplicated chromosomes, it can be demonstrated that chromosomes consist of 1 centromere and arms. It can be seen tha...
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