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Organisms of many species are specialized into male and female varieties, each known as a sex, with some falling in between being intersex.
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Flowers are usually hermaphroditic, producing both male and female gametes. Seks kan je helpen je lijf in vorm te houden. In both XY and ZW sex determination systems, the sex chromosome carrying the critical factors is often significantly smaller, carrying little more than the genes necessary for triggering the development of a given sex. Main article: Sexual reproduction Further information: Isogamy and Anisogamy. Advertising helps us deliver great content at no charge to you.