The process by which sexual reproduction organisms reduce their chromosome number in half during the production of gametes is called Meiosis. Meiosis is the specialized process by which germ cells divide to generate gametes, derived from the Greek word meioun, which means "to make little."
Because a species' chromosome number remains constant from generation to generation, the chromosomal number of germ cells must be lowered by half during meiosis. A kind of cell division called meiosis creates four gamete cells while cutting the parent cell's number of chromosomes in half. The synthesis of sperm and egg cells for sexual reproduction depends on this system.
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