Do any Pokémon have genders?

Do any Pokémon have genders? Starting in the Generation II games, most Pokémon have a gender (including Pokémon previously transferred from Generation I games): male (Japanese: オス male) or female (Japanese: メス female); however, some species of Pokémon are gender unknown. The gender mechanic is fundamental to Pokémon breeding.

Starting in the Generation II games, most Pokémon have a gender (including Pokémon previously transferred from Generation I games): male (Japanese: オス male) or female (Japanese: メス female); however, some species of Pokémon are gender unknown. The gender mechanic is fundamental to Pokémon breeding.
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