Primary sex characteristics definition

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Last Name Name is required. This page was last edited on 5 Marchat Next, unlike humans, animals develop many of their secondary sex characteristics soon after birth, or they are present to some degree and increase as they mature. Password Confirm Password confirm is required. Become a Member Already a member? In the animal kingdom, there are some great differences among the various animal groups, but there are also many similarities, and their examples are typically in color, size, and physical feature differences e. To unlock this lesson you must be a Study.

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Research Methods in Psychology:

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Sexual characteristics

Without even realizing it, you were likely thinking about both primary and secondary characteristics. It only takes a few minutes to set up and you can cancel at any time. This article is about biological aspects. Humans whose sexual characteristics are ambiguous or mismatched are called intersex. In the animal kingdom, many males of the species have much more distinct features to help them attract mates. If an egg is fertilized with a sperm carrying the X chromosome, the gonads should develop into ovaries and the offspring will be female; if the egg is fertilized with a sperm carrying the Y chromosome, the gonads should develop into testes and the offspring will be male. Year Expiration Year is required.

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