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===Good genes=== | ===Good genes=== | ||
{{main_article|[[Good genes hypothesis]]}} | {{main_article|[[Good genes hypothesis]] and [[signaling theory]]}} | ||
Good genes hypothesis or ''Zahavi's handicap principle'' claims exaggerated ornament is a costly and hence a reliable signal of other desirable traits. For example, a peacock with a very large tail would be easy prey (which is costly), and thus would most likely have other good traits that make up for this handicap (good genes). There is, however, | Good genes hypothesis or ''Zahavi's handicap principle'' claims exaggerated ornament is a costly and hence a reliable signal of other desirable traits. For example, a peacock with a very large tail would be easy prey (which is costly), and thus would most likely have other good traits that make up for this handicap (good genes). There is, however, mixed supporting scientific evidence, with a consistent, but very small link between looks and health, but mixed evidence about the link between health and [[reproductive success]], with people vastly overestimating the correlation between good looks and various positive attributes (halo effect).<ref>https://incels.wiki/w/Scientific_Blackpill#Attractive_people_are_perceived_much_more_positively_than_they_really_are</ref> | ||
A computer model created by Chandler et al., found evidence that traits initially spread by runaway selection can also become indicator traits of "good genes". They also found that these ornamental traits could serve as indicators of "good genes" even when they didn't function as costly signals, contradicting Zahavi's handicap principle, so good genes and runaway selection may not be mutually exclusive.<ref>https://app.dimensions.ai/details/publication/pub.1009220931</ref> | A computer model created by Chandler et al., found evidence that traits initially spread by runaway selection can also become indicator traits of "good genes". They also found that these ornamental traits could serve as indicators of "good genes" even when they didn't function as costly signals, contradicting Zahavi's handicap principle, so good genes and runaway selection may not be mutually exclusive.<ref>https://app.dimensions.ai/details/publication/pub.1009220931</ref> | ||