Genetic concerns are not the only cause for exogamy; many social and political aspects support this system of marriage, throughout societies and species.
There are many social and political aspects that affect this system of marriage, throughout societies and species. Genetic concerns are not the only cause for exogamy though.
Genetic concerns are not the only cause for exogamy though. There are many social and political aspects that affect this system of marriage, throughout societies and species.
Genetic concerns are not the only cause for exogamy though. There are many social and political aspects that affect this system of marriage, throughout societies and species.