Sexual conflict
Sexual conflict = Sexual antagonism
Sexual conflict is an evolutionary theory within the framework of sexual selection based on the observation that a trait that is beneficial for the reproductive success of one sex can reduce the fitness of the other sex. This new theory changed our interpretation of male-female interactions. Historically, reproduction was seen as an act of complete cooperation; the idea of sexual conflict instead highlights that cooperation is just one extreme along a gradient that can range from mostly cooperation to mostly conflict between the sexes. Sexual conflict can occur when the evolutionary interests of the two sexes are not in accord, resulting in opposing selection pressures on males and females. These conditions are met as males and females differ in their investment in reproduction, and this leads to distinct roles with different fitness optima for each sex.
https://www.sciencedirect.com/science/article/pii/S0169534702000046
Sexual conflict occurs when the genetic interests of males and females diverge. Recent evidence supporting the view that male and female genomes are in conflict has now revolutionized the way in which we interpret interactions between the sexes, and suggests that sexual conflict is a potent force in male–female coevolution.
