ABSTRACT
Randall Collins acknowledges that the maternal personality is "a typical female one," and that females need to be "close to other people," but explains the observations by "unconscious erotic ties with her mother." Motherhood is no more an arbitrary "socially constructed" behavior than is sexual intercourse. A mother's love has to be unconditional because infants are incapable of meeting any conditions, and the importance of such love is obviously too great to leave to the vagaries of social learning. Sexual selection theory was added to natural selection theory by Charles Darwin to complete his theory of evolution. Darwin noted that although natural selection accounted for differences between species, it did not account for male-female differences within species. Sexual selection involves competition for mates and favors traits that lead to mating advantages regardless of whether they have survival advantages. Sexual selection can be in the form of intrasexual or epigamic selection.
