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Down syndrome occurs when the nondisjunction occurs with Chromosome 21. Meiosis is a special type of cell division used to produce our sperm and egg cells.
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The organelle in a plat cell which carries out the process of photosynthesis is the chloroplast. The mitochondria in cells is where cellular respiration takes place and the cell well is what provides structure, support, and protection for the cell.
Answer:
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