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Questions tagged [sexual-dimorphism]

Tag for questions related to the differences in appearance between males and females of the same species, such as in colour, shape, size, and structure, that are caused by the inheritance of one or the other sexual pattern in the genetic material.

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Can diet, supplementation and/or drugs affect sexual dimorphism?

After puberty, can certain diets, exercise, and/or possible drugs affect masculine/feminine dimorphism in adults? We know dimorphism and/or morphology is a product of genes, but to what extent can ...
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Which scallops change their sex from male to female?

Tonight it occurred to me to look up what scallops are like when they are alive (beyond their culinary role) and it blew my mind. This post regards one detail about which I was unable to find specific ...
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Is there a standard formula/calculation for sexual dimorphism?

Is there a standard, or most accepted, way to present a value for sexual dimorphism? For example, one could use $$\frac{\text{Female value}}{\text{Male value}} -1$$ This would give negative values ...
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Are there mainstream views on the mandrill's coloration's being so unique?

According to the Wikipedia article: Mandrills are noted as being exceptionally colourful for mammalian standards. Charles Darwin wrote in The Descent of Man that "no other member in the whole ...
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What are the absolute facial features which features sexual dimorphism in humans?

Apart from beard and moustache, is there any facial feature that would help to distinguish between men and women? It is said that men have square, rectangular or oblong face and women have oval,...
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Are there any social-behavioural differences between the biological sexes in humans “proven” to have an evolutionary basis?

Long story short: women are from Venus and men are from Mars. But how much of the differences arose from evolution and how much of it comes from Venusian and Martian cultural differences? Jokes ...