how gametes form in humans in both male and female
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Gametes are formed through meiosis (reduction division), in which a germ cell undergoes two fissions, resulting in the production of four gametes. During fertilization, male and female gametes fuse, producing a diploid (i.e., containing paired chromosomes) zygote.
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Humans reproduce sexually, with both parents contributing half of the genetic makeup of their offspring via sex cells or gametes. ... Spermatozoa, produced by males, contain a 23rd chromosome that is either an X chromosome (female) or the analogous Y chromosome (male), making each sperm cell either female or male.
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