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(A) Phenotypic selection gradient comparing trait values of female (dotted line) against male (solid line) fitness. In this example, selecting for higher trait values increases female fitness, but decreases male fitness. (B) Here, sexually antagonistic selection translates to a negative genetic correlation (rmf) between the fitness of females and males, such that genes that confer high fitness to females will confer low fitness to males, and vice versa.
