What conclusion can you draw from the universality of an incest taboo?

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The universality of an incest taboo suggests that all societies have social rules and norms for sexuality and reproduction. It is a cultural trait that reflects the importance of maintaining social order and avoiding genetic disorders from inbreeding. It does not necessarily indicate a concern for keeping bloodlines "pure" or a set definition for kinship, as different cultures may have varying degrees of what constitutes incest.

What Conclusion Can You Draw from the Universality of an Incest