With the use of any available materials at home, create a model of stages of meiosis. The number of chromosomes of your cell that will undergo meiosis is ten (2n=10). You need to show clearly the formation of tetrads, crossing over, and also the reduction division. After that, you have to create a video that explains the following questions with regard to your model.
Questions to be answered in your video:
1. How many tetrads (bivalents) are formed in your model? In what phase of your model did it appear?
2. Think about your model. Visually, what is the major difference between prophase I and prophase II?
3. Think about your model. Visually, what is the major difference between metaphase I and metaphase II?
4. How many chromosomes are there in each cell after the meiosis?
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1. Prophase I
2. Prophase 1 and 2 is that genetic recombination occurs through crossing overs and the “Chiasmata” formation during prophase 1 whereas no genetic recombination is noticed at the prophase 2.
3. Chromosomes are attached as homologous pairs at the equator during the metaphase 1 and during metaphase 2, single chromosomes are attached at the equator.
4. Each daughter cell will have half of the original 46 chromosomes, or 23 chromosomes. Each chromosome consists of 2 sister chromatids. The daughter cells now move in to the third and final phase of meiosis: meiosis II.
Project Idea: A model of stages of meiosis