Intersex (biology)
Sex characteristics between male and female / From Wikipedia, the free encyclopedia
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This article is about intersex across species from a biological perspective. For intersex (social), see Intersex.
Not to be confused with Hermaphrodite.
Intersex is a general term for an organism that has sex characteristics that are between male and female.[1] It typically applies to a minority of members of gonochoric animal species such as mammals (as opposed to hermaphroditic species in which the majority of members can have both male and female sex characteristics).[2] Such organisms are usually sterile.[3]
Intersexuality can occur due to both genetic and environmental factors[4] and has been reported in mammals, fishes, nematodes, and crustaceans.