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   ocr: MAKING SEX CELLS EX CELLS are made by a special kind other cells in an organism have two . ofcell division called meiosis. This sets. When a female'segg and a male's happens only in sex organs: testes and sperm fuse during lertilization, they ovaries in animals, and anthers and become one cell with the normal two ovules in plants. Sex cells have only sets ( ofchromosomes again. This cell one set of chromosomes, while all becomes a new organism. Original cell Nucleus (control center) Chromosomes Nuclear membrane Cytoplasm C MEIOSIS - 2 3 5 6 7 8