Submitted by Erratic_Noman t3_10ejkgo in askscience
walkthewalk44 t1_j4w9saf wrote
Reply to comment by chazwomaq in Biologically speaking, what makes men typically stronger than women? by Erratic_Noman
Thanks for the reply. Also I've been looking for an answer to my question and haven't found anything on it. Do you happen to know what would create the attraction for sexual dimorphic features such as fat deposition in females? I understand that they survived better in the past but how does actual attraction come into play?
chazwomaq t1_j5605rv wrote
You might want to look in Fisherian runaway selection and Zahavian honest signalling. Both are explanations for the evolution of preferences for sexually selected traits, but would take a while to write out here. Wikipedia is good.
Such traits don't need to offer a survival advantage to evolve. In fact, many examples probably offer a survival disadvantage.
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