How come if you have sex with your cousin or any family member and get pregnant, the chances of the baby being deformed or mentally retarted are increased? I don't understand why. I know it has something to do with the genes are so like, but I'm still confused.
[ Answer this question ] Want to answer more questions in the Relationships category? Maybe give some free advice about: Families? isis answered Monday July 31 2006, 9:30 am: Genetically, family members are more alike than any other people, the closer the relationship the more alike the genes are likely to be. If there is a genetic 'disability' in the family, this could increase the chances of it being passed on, as it becomes concentrated.
However, that said, if two unrelated people have the same disability in both families, they also have a greater chance of passing it on.
Even if there are health issues in a family this does not necessarily mean that these 'faults' are passed on, it's just that the chances are greater. It also does not automatically mean that any off spring of cousins are going to be mentally retarded, (a common myth). My parents are cousins and I have no problems with my mental abilities.
Hope that helps. [ isis's advice column | Ask isis A Question ]
caramella answered Monday July 31 2006, 4:34 am: Because you guys have the same blood in you and when his sperm gos into you and you get pregnent,his sperm has almost the same genes as you do so something happens and it gets messed up and your kids turn out deformed [ caramella's advice column | Ask caramella A Question ]
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