Identical twins share virtually 100% of their deoxyribonucleic acid and fraternal twins share 50% of their deoxyribonucleic acid making both types of twin ideal candidates for studies involving genetics and epigenetics to screen for factors for issues like social inequality and poverty with studies designed to research if social factors are due solely to the environment or if genetics play any role. Recent studies have demonstrated that in an economic climate of poverty, genes play almost no role whatsoever, however in a financial state of middle class or higher, genes play a formidable role, and in an income bracket of the top tier of society, genes seem to play a substantial role, being one of the key primary driving factors behind most financial decisions made by a person