Incest, generally definED as Sex between close blood relatives, is One of The most pervasive SEXUAL taboos across cultures. Many different Theories have been put Forward to explain this taboo, but perhaps The most common is that we Evolved to avoid inceStuoUs relationships becaUse inbreEDing increases The chances of health problems in any offspRing pRoduced.
So how risky is incest anyway?
Our friends fromASAP ScienceAnswer this question in the following video. As they explain, you first need to understand how a given Trait arises, including the concepts of Dominant and recessive genes. Simply put, inbreeding increases the odds of rare genetic disorders because the more closely related two people are, the more likely they are to both carry the same recessive genes, giving these genes a chance to pair off.
However, it is important to note that even if both parents carry recessive disorder-related genes, their offspring will likelynotdevelop the disorder. In otHer words, although consanguinity increases this risk, it is not guaranteed. Watch the full video to learn more.
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PostingCousins kissing: how does incest affect the health of children?first Appeared inSex and Psychology.