Studies of identical twins show homosexuality is acquired, not genetic

Gay Pride Parade, Miami Beach, 2013

Gay Pride Parade, Miami Beach, 2013


For no scientific reason, we’ve all been brainwashed into believing that homosexuality is not by choice, that homosexuals are born that way.
But eight major studies of identical twins in Australia, the United States and Scandinavia during the last two decades all have arrived at the same conclusion: homosexuality primarily and overwhelmingly (90%) is an acquired disposition, instead of genetic.
The findings of those studies are presented in Chapter 10, “Twin Studies: the strongest evidence,” of Neil E. Whitehead, Ph.D., My Genes Made Me Do It! – Homosexuality and the scientific evidence (Third edition, Oct. 2013). (You can download the book, free, in PDF format here; or buy a copy here.)
Dr. Neil Whitehead is the author of over 140 published scientific papers. His Ph.D. is in biochemistry, 1971, New Zealand. He was employed as a scientist with the New Zealand government for 24 years, at the United Nations for 4 years, and more recently as a scientific research consultant to Japanese universities on the effects of radiation exposure.
Before I present the findings in Dr. Whitehead’s Chapter 10, “”Twin Studies: the strongest evidence,” we first need to know the importance of studying identical twins.

IDENTICAL TWINS

Identical or monozygotic twins occur when a single egg is fertilized to form one zygote (hence, “monozygotic”) which then divides into two separate embryos that grow and develop into identical twins. Being formed from the same zygote, identical twins therefore have identical genes or DNA. Furthermore, being in the same womb, the twins also share identical pre-natal biological conditions.
As a result of having the same genes and prenatal conditions, identical twins are perfect subjects for scientific study to determine whether a disease, disposition or personality attribute is caused by nature (genes) or nurture (acquired). If homosexuality is caused by genetics and/or prenatal conditions in the womb, then identical twins will always be identical for same sex attraction. That is, if one identical twin is homosexual, the co-twin should also be homosexual. In other words, the same sex attraction (SSA) concordance should be 100%. 
(In contrast, fraternal or dizygotic twins usually occur when two eggs are separately fertilized by two different sperm cells, but are implanted in the uterus wall at the same time. The two eggs or ova form two zygotes, hence the term “dizygotic twins”. Fraternal twins have different DNA and really are two ordinary siblings who happen to be born at the same time.)

Identical twins and homosexuality

Twin registers are the foundation of modern twin studies. We now have very large twin registers in many countries, one of the largest in use is in Australia with more than 33,000 pairs of twins on the books, all of whom are prepared to assist in general research. A team of Australian researchers used that twin register and, in 2000, published their findings as:

  • J. M. Baily, M. P. Dunne, and N. G. Martin, “Genetic and Environmental influences on sexual orientation and its correlates in an Australian twin sample,” Journal of Personality and Social Psychology, 78:524-536.
  • S. L. Jones and M. A. Yarhouse, Homosexuality. The use of scientific research in the church’s moral debate (Downers Grove, Illinois: IVP, 2000).

The Australian identical twins study found that for self-declared lesbians and “gays,” the pairwise concordance is 14% and 11% respectively. Five later and very large studies found very similar results.
A same sex attraction (SSA) concordance of 11% means that when one of a twin pair from a general twin registry is homosexual, his co-twin is homosexual one time in nine, or 11% of the time, which is not very much.

Note: Don’t confuse the 11-14% SSA concordance in studies of identical twins with the 2-3% incidence of homosexuality in the general population. 11% SSA concordance among identical twins does NOT mean that homosexuality was found in 11% of identical twins; it means if one of a pair of identical twins is homosexual, there’s an 11% chance that the other twin is also homosexual.

Since DNA and prenatal conditions account for 11% SSA concordance, that means the percentage due to genes or DNA is even smaller, less than 11%. Furthermore, identical twins usually also grew up in the same family environment. All of which means that “neither genes nor upbringing is very important” as determinants of homosexuality. Instead, something(s) else that was not shared by identical twins accounts for the SSA.
Put simply and bluntly, homosexuals are not born that way. (In fact, no homosexual gene has been found or is expected to be. See Chapter 9 of Whitehead’s book.) 
Nor do people become homosexual because of upbringing. Fuller studies, which include fraternal twins, show that for SSA the effect of upbringing is low and even less than that of genes. Results from twin studies for very many traits show family influence is less than genetic influence. In other words, parents are usually not directly involved in making a son or daughter homosexual, either genetically or through parenting.
Dr. Whitehead writes:

This degree of concordance [11%] now has the backing of half a dozen major twin studies so is very unlikely to change. So the following conclusion will not change in the future either: The predominant cause of SSA both in men and women is individual post-natal random reactions to biological and environmental factors.

Random events and homosexuality

Unusual random events, e.g., some early sexual experience such as pornography or molestation, can have extraordinarily powerful influences by impressing themselves on our memory, and affect our responses and behavior for years. If an event or feeling has been mulled over numerous times for years, it is important, possibly formative, and may even be a mind habit.
Whitehead writes, “There is a wrong but popular impression that SSA development is a great mystery. But in many ways it’s no more mysterious than the development of heterosexuality.” Many homosexual men and women, recalling incidents which they believe were instrumental in the development of their SSA, recount clear early memories of one particular thing done or said in families that deeply influenced their later choices. Otis and Skinner in a non-twin study identified some of them by sampling a group of SSA men and women who said the factors in the figure below had at least some influence on their orientation, such as positive same-sex experiences.
Otis & Skinner study on factors influencing SSA
So what are the random factors experienced by one identical twin but not another which play a greater role (89%) than DNA and prenatal conditions in developing same sex attraction? Here are some examples:

  • Sexual abuse (same sex for men, opposite sex for women).
  • Exposure to “gay” porn (mostly for men).
  • Parental preference.
  • Rejection by a parent.
  • Bad experience with or rejection by opposite sex.
  • Gender-atypical physical feature(s), e.g., slight body built (for men); obesity, physical unattractiveness or unfemininity (for women).
  • Fetishes.
  • Middle age (for women): note the Hollywood actresses who, in middle age, have come out as lesbians, e.g., Kelly McGillis (Top Gun) and Meredith Baxter (Family Ties).
  • Parental encouragement to be gender atypical, e.g., dressing little boys in girl’s clothes.
  • Single parent family (no male role model for boys).
  • Cultural approval/disapproval.

The Australian identical-twins study was of adult twins. A large ongoing study of tens of thousands of adolescent students in the United States found even lower SSA concordances in identical adolescent twins of only 7.7% for males and 5.3% for females—lower than the 11% and 14% in the Australian study. Moreover, not only is SSA concordance less in adolescents, it is also more malleable — adolescents with SSA generally change their attractions from year to year.

Conclusion

Given the scientific findings that:

  1. Homosexuality overwhelmingly is not inborn or genetic, but is acquired as a result of random experiences (and reaction to those experiences), which include pornography, broken homes, and cultural approval/disapproval;
  2. Sexual orientation in adolescence is very malleable.

And given the transformation of American culture and society into one of broken, single-mother homes; where pornography (including gay and tranny porn) is widely available online; where homosexuality and sexually deviant behaviors increasingly are not just tolerated, but accepted and celebrated; and where Christianity is on the wane, we can expect more young people to identify themselves as homosexual and transsexual. Already, 1 in 2 of young people in the UK identify themselves as not 100% heterosexual. That is America’s dismal future.
H/t FOTM Facebook reader Dianne Allyn-Fowler
See also

~Eowyn

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mauriceeaubin
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Reblogged this on thetranscendentaltriptych.

Doc's Wife
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Doc's Wife

My father was an identical twin born n 1926. Few people could tell them apart until they were out of college. The two had identical upbringing as far as I know, but their parents were very strict and very religious, almost to an extreme. Both joined the Navy as soon as they turned eighteen and served together. Here is where they went different directions. My father pursued a career in architecture and design, while my uncle went to law school at Tulane in New Orleans. It was here that he began a rather colorful and dangerous lifestyle, becoming one of… Read more »

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[…] For no scientific reason, we’ve all been brainwashed into believing that homosexuality is not by choice, that homosexuals are born that way. […]

Caitlyn
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Caitlyn

Ridiculous. Scientific fact – the mind boggling mixture of myriad genetic traits produces a continuum of male/female characteristics in the embryo. These characteristics may be influence in some manner by life experiences

Anonymous
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Anonymous

Oh no, Lady Gaga will be upset… deal with it.comment image

Steven Broiles
Member

The lesbian social commentator Camille Paglia has said, in words to this effect that, “Procreation in nature is the one single relentless rule. Homosexuality is an adaptation.” Whatever her precise quote, and whatever her orientation or preference, she is correct. (Fine Point: I cannot remember if she said “adaptation” or “maladaptation.”) In nature, procreation is the “one single relentless rule.” It is not necessary for the individual’s survival, but it is necessary for the survival of the species. From what little I do know of the Old Testament, God does not resort (to my knowledge) to psychoanalysis, psychotherapy or dialogue.… Read more »

Dan
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Dan

I know of three sets of adult female “identical” twins of which one is left-handed and the other is right-handed. This tells me that all “identical” twins are not exactly identical. To the best of my knowledge, genetic studies haven’t yet found a gene or genes for handedness. Of the various reports on the identical twin studies that I have read, none have mentioned handedness. But since all six profess to have been their current handedness since being small children, I have to assume that it is a genetic trait and not something that is learned. All six claim to… Read more »

MomOfIV
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MomOfIV

the fact that our sick society is pushing so hard to disprove God’s natural order should show SSA is simply propaganda…against Jesus.
Any “christian” who believes SSA is a “natural” phenomenon or is genetic has been fooled by the devil.

Coslon
Guest

You don’t have to be a scientist to know that, just think about it, have you ever seen one baby want to have a go at another baby in the rear.. never, have you ever seen a baby trying to prostitute itself…never, have you ever seen a baby tryin’ to murder somebody… never, have you ever seen a baby trying to steal something…never, so nobody is born homosexual sodomite, it is acquired, if they claim that they are born like that then prostitutes, murderers, thieves and more can all claim they were all born like that, then that would then… Read more »

Steve Anderson
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What about the fact that in the last fifty years or so everything that touches our food supply or skin at some point is made out of plastic. They can make anything into a plastic with some of the seven basic chemicals. One of those chemicals is BPA. All seven chemicals at a molecular level look identical to synthetic estrogen and affect our hormones. They have over feminized women and feminized men over the last few years. Do to this gradual affect of these chemicals They have changed the way we think and act as a society for a reason.… Read more »

Bob Smith
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Bob Smith

I am sure female hormone mimickers in the environment could have an influence on people’s sexual preference.

JustSaying
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JustSaying

Took some Genius with a good eye to figure this out!!!
NO SHHHHITTTT SHERLOCK!!!
No one is born gay like no one is born a child molester!!!
Most of them are made that way by their wayward MOMMIES!!!!
DARN IT’s a STUPID WORLD!!!!

MeThePeople
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MeThePeople

Great post. Global Homogeneousity? (too big a word for a bumper sticker or Al Gore) Continuum is libspeak. I do not think gender can be put into the same conversation as sexual preference or handedness. How can you base a society on genetic aberrations or emotional maladaptations induced by trauma? Turn main street into a succession of freak shows in the name of diversity (libspeak) You can if you are a communist posing as a nihilist. I write left handed throw a baseball and bat left handed, but play piano and guitar as a righthanded person. My guess why is… Read more »

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[…] Studies of Identical Twins Show Homosexuality is Acquired, Not Genetic – Fellowship of the Min… […]

Davy
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Don’t say we all have been brain washed to believe being gay is
genetic, it is by choice like any other sinful act@

Christian Zionist
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Reblogged this on Exposing Modern Mugwumps.

M
Guest
M

I cannot take this article seriously as they completely failed to acknowledge the connection between confused sexual orientation and exposure to a chemical such as BPA in the womb. Google it. Combine that with the possibility that a genetically acquired predisposition to chemical/hormone sensitivity most likely exists…..well there you go……environmentally triggered genetic predisposition…..and since you’d share the same genes with your twin, you are both at an equally elevated chance of being effected. I wouldn’t be surprised if this study was funded by the National Association of Plastics Producers or something similar.

Rod
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Rod

Once we have a constitutional convention and stop homosexual marriage,
put the bibles back in the classrooms, stop NAFTA & GAT, break-up the
Big Banks & Big Corps, make English the only language of our country,
pull out of the U.N., the Build the boarder walls, send the Muslims home, send the illegals home, then we’ll have our country back.
Let the $billionaires in Mexico pay for their own people.
STOP GLOBALIZATION, & the carbon taxes paid to AL GORE.
End the EPA/ Dept of EDUC/let states do their own regulations.
TRUMP 2016

foobar
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foobar

well of course it’s acquired… it’s demon possession, the work of satan.

The Grey Enigma
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Reblogged this on The Grey Enigma.

MeThePeople
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MeThePeople

MALE; FEMALE; GMO.

maritza
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maritza

In total agreement with Bob Smith and Mr. Anderson !

Beano McReano
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Beano McReano

Yes, something happened to them when they grew up. I believe most can be attributed to a lack of a REAL father or an overbearing mother.

tl2ind
Guest

Thanks for this. There are people out there who actually want, not just need, to be told the truth, people who live a whatever-sexual lifestyle. They are becoming disillusioned, waking up and realizing they’ve been had, and are looking for the way out. If these are people who have acquired their lifestyle, say due to traumatic experience or toxic overload of their hormone system (I understand, been there, with respect to the former), etc., then doesn’t it stand to reason that for those truly seeking out change and are willing to walk out their salvation with fear and trembling, should… Read more »

Bill
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Bill

This would be a great conversation to be had on Speerty (www.speerty.com). They allow you to discuss politically correct/incorrect issues anonymously, within your circle of friends that reside on Facebook or Twitter – you can also create private or public groups to bring them into the discussion. By speaking with them anonymously, no one feels the attribution bias associated with particular people. Give it a shot.

joandarc
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joandarc

Thank you Dr. Eowyn for this most incredible post, in which you meticulously set forth documentary evidence in this matter to support your truthful conclusions. I will copy this post and study it again, as it is so in-depth and significant.

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[…] Studies of identical twins show homosexuality is acquired, not genetic […]

Chris Lindsay
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You’ve presented a lot of important research findings, and I plan to read that Australian twin study. Thank you! I’m not sure about this statement though: “the twins also share identical pre-natal biological conditions.” I could be wrong, but I read somewhere that twins don’t necessary experience the same conditions in the womb. Can you confirm this? I also think you could improve this statement: “we’ve all been brainwashed into believing that homosexuality is not by choice, that homosexuals are born that way.” In my view, a sexual desire for a person of same sex is not a choice. A… Read more »

Lophatt
Member
Lophatt

This is an EXCELLENT piece. Right after Vatican II and continuing to today, the acceptance of “gayness” was almost as prevalent as “Liberation Theology”. It has now become as much a fixture in “conventional” lib-think as “global warming”. Just like we are no longer ‘allowed’ to discuss obvious anecdotal evidence related to genetics, we must not dare challenge the “get of of jail free” card of queer sex. “I can’t help it, I was born this way” is simply NOT true. Think of the implications. Instead of advising these deviants to seek help, we are encouraging them to embrace their… Read more »

Rethink
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Rethink

People of this mindless media age (MMA) are confusing sex with love: love may include sex but having sex or being sexually attracted to someone or some things–animal (disgusting–where’s the DNA gene for that) or human–is NOT love. I have many things and people I love that I do not want to have sex with. Many people have sex with people they do not love–prostitutes, one night stands–you name it. The finding in this article is absolutely correct and our fetishism (it could be good or bad, useful or useless, etc.) is not limited to just sexual orientation. Look back… Read more »