I’ll start off with the fact that I have no inter­est inbreed­ing so this is not a jus­ti­fi­ca­tion by any means.   This is just a pon­der­ing that stemmed out of an e-mail exchange.   What is inbreed­ing and what truly defines it.

Wikipedia defines inbreed­ing as:
Inbreed­ing is breed­ing between close rel­a­tives, whether plant or ani­mal. If prac­ticed repeat­edly, it often leads to a reduc­tion in genetic diver­sity. A con­comi­tant increase in homozy­gousity of reces­sive traits can, over time, result in inbreed­ing depres­sion. This may result in inbred indi­vid­u­als exhibit­ing reduced health and fit­ness and lower lev­els of fertility.

So we’ve estab­lished that if we agree with wikipedia’s def­i­n­i­tion on inbreed­ing as a reduc­tion in genetic diver­sity, what can we say about com­mu­nal, intel­lec­tual, or soci­etal inbreed­ing?  Is there such a thing?  I think there is, whether it’s a good thing or a bad thing is for you to decide.  Let’s go over some examples.

A boy that is two years old and walks over to a new born baby girl sit­ting in a stroller in front of the neigh­bors house.  He meets her for the first time.   Over the com­ing years they run around naked in the yard together at an age where it is some­what socially accept­able.  They go to dances together.  In all ways they are best friends, brother and sis­ter liv­ing next door to each other brought together by loca­tion and shared expe­ri­ences.  At the age of 18 they marry.

Socially accept­able?  You answer that.

Another boy is 11 years old, his sin­gle father comes back from a busi­ness trip and tells his son that he met a woman and they are get­ting mar­ried in 6 months.  She hap­pens to have a 11 year old daugh­ters.  Seven years later the son and the woman’s daugh­ter marry.  They are step-siblings at the time.

Socially accept­able?  You answer that.

I can’t tell you how you thought and your feel­ings on it, but if we look at the two above sce­nar­ios and define nei­ther of those as inbreed­ing from a genetic stand point but from a rela­tion­ship stand point both may be con­sid­ered inces­tu­ous.  Granted incest laws and inbreed­ing are sep­a­rate on the moral com­pass scale, but truly you can’t have one with­out a vary­ing degree of the other.

Some incest and inbreed­ing are acci­den­tal, take the case in point of the sep­a­rated twins that got mar­ried in Eng­land last year.  While they would have inbred if they would have had chil­dren before find­ing out they were related and on the strictest sense it is incest since they were brother and sis­ter, if we throw moral­ity out the door for a sec­ond is it truly inces­tu­ous?  They had less in com­mon in life expe­ri­ence then either the first two exam­ples I gave.  They are fur­ther apart so they bring more to the table for a child to learn from in a life expe­ri­ence depart­ment.  From a intel­lec­tual or com­mu­nal stand point this wouldn’t be inbreed­ing or incest.   It would be two peo­ple that were in love that had the unlucky chance of com­mon DNA.

Part of what was dis­cussed at the time that was a news story was that peo­ple are attracted to peo­ple that are like them.  So peo­ple with sim­i­lar expe­ri­ences and inter­est are going to be more attracted to each other with the more they are like each other.   Unfor­tu­nately the more your sig­nif­i­cant other is like you the more your off­spring is going to be like you because of the moral traits and beliefs you and your mate edu­cate your off­spring with.     Hence while you may have pre­served genetic diver­sity you have squashed a muta­tion in the sense of the child being more inden­pen­dent and dif­fer­ent then your­selves.   Your child is not likely to be more suc­cess­ful then either you or your mate.  It is likely to fall in the same eco­nomic and soci­etal struc­ture as their forebearers.

Socially accept­able?  Sure is.

Morally right when you look at the big pic­tures?  You answer that.

The rea­son this comes up is all the friends and com­mu­ni­ties that peo­ple have had for years at a time.  Whether it be a church group, a video game guild, an online forum, or a local chess club the close­ness you can evolve with these peo­ple can become close enough that you can’t dif­fer­en­ti­ate between your feel­ing for fam­ily or your feel­ings for the group you belong to.  It is a fam­ily in every sense of the word except for genet­ics.    The longer the group stays together and the more they become like the other peo­ple the more intel­lec­tual and inter­est stag­na­tion can occur.   If you live your life obsessed with some­thing and so does your mate, highly likely your child will be the same way.

I can say that my wife and I shared friends but we were two very dif­fer­ent peo­ple.  We knew each other for a few months, and have grown more alike in the decade we’ve been together, but deep down from shared expe­ri­ences we are very dif­fer­ent peo­ple.   How­ever what if we would have met at 11 years old and mar­ried 7 years later?  What if we had been part of a video game group that we had let our guard down and accepted as fam­ily.  What about truly pla­tonic friends that pick up romance after 30 years of friend­ship?  At what point would there be a moral dif­fer­ence between com­mu­nal inbreed­ing  ver­sus genetic?  Is there ever?

If there is no such thing as com­mu­nal or intel­lec­tual inbreed­ing, then will iden­ti­cal twins be able to legally marry and be accepted by soci­ety once we can do genetic manip­u­la­tion?  At the point we can do true genetic mod­i­fi­ca­tion we can insure that no inbreed­ing at the genetic level will occur.  Sure it still will be con­sid­ered incest, but what would the health rea­son or soci­etal rea­son truly be to keep the peo­ple apart?  I’m sure even­tu­ally mankind will have to grap­ple and come up with the moral answer code going for­ward.  Not yet but someday.

This is not a piece to make you decide some­thing one way or another.  It is more a piece to help you decide in the global com­mu­ni­ca­tion world we live in that there will things that we need to decide on what is fam­ily.   Is fam­ily only truly a genetic trait?  Is it a lump of love and shared expe­ri­ences?  If so at which point will be the truly defin­ing line between where incest and inbreed­ing live and where soci­eties eccept­able norms lie.

Muta­tion exists through dif­fer­en­ti­a­tion, muta­tion leads to evo­lu­tion.   What needs to be done to insure evo­lu­tion at all lev­els?  You answer that.

  • I think people are more attracted to their opposites! Which I think would work better from a evolutionary standpoint.
  • papa2nnc
    I think that you have to be related by birth to call it inbreeding. Other wise there should be no taboo in your relationship. Your thoughts?
  • yos
    Interesting, but for me the both stories is not acceptable.
  • papa2nnc
    Very thought provoking. In either case they were not genetically related so there was no crime committed against mother nature, and very iffy against society. In these two cases we need to leave affairs of the heart alone.
  • clarke59
    Hmm, I like the post! Well, the first story for me it's acceptable since there's no mutual relations between their parents but the other story is not acceptable since their parents got married to each other.
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