Studies conducted by Haselton and Galperin have found that sexual selection may have favored men who were too suspicious of their partners' faithfulness over those who were not suspicious enough. This is because men face potential evolutionary costs in:

The correct answer is : raising children who are not their own

Explanation:

It happens when there is a correlation between the gender of a person and hir or her parental investment in each offspring. It is often considered powerful enough to produce specific features in an individual's life. we can see a simple example when there are genetically based differences in the ability of one sex to insure successful mating with the other one.

your question is incomplete

explanation: