Which theory(ies) suggests an explanation why people are more likely to murder their stepchildren than their biological children?

Question

Quizplus · Accepted Answer

Instinct/sociobiological/evolutionary theories suggest that individuals are more likely to invest in and protect their biological offspring due to evolutionary pressures to pass on their genes, which may explain the higher likelihood of violence towards stepchildren.

Which Theory(ies) Suggests an Explanation Why People Are More Likely