The forbidden sex-the incest
Incest is sexual activity between family members or close relatives.This typically includes sexual activity between people in a consanguineous relationship (blood relations), and sometimes those related by affinity, stepfamily, those related by adoption or marriage, or members of the same clan or lineage. The incest taboo is and has been one of the most widespread of all cultural taboos, both in present and in many past societies. Most modern societies have laws regarding incest or social restrictions on closely consanguineous marriages. In societies where it is illegal, consensual adult incest is seen by some as a victimless crime.Some cultures extend the incest taboo to relatives with no consanguinity such as milk-siblings, stepsiblings, and adoptive siblings. Third-degree relatives (such as half-aunt, half-nephew, first cousin) on average share 12.5% genes, and sexual relations between them is viewed differently in various cultures, from being discouraged to being socially ac