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Originally posted by Xcalibur254
reply to post by MuzzleBreak
Why are none of the studies cited from after 1985? Physiological psychology, behavioral genetics and genetics in general are all fields that have exploded starting in the 90s. For that matter the number of studies focused on homosexuality have seen a massive increase since the 80s. So why didn't your link source any articles that incorporate these modern developments?
Originally posted by Xcalibur254
reply to post by pyramid head
No I am not discussing dominant or recessive traits or the basics of Mendelian genetics. What I'm discussing the basics of behavior genetics. Now I'm hardly arguing that homosexuality is 100% determined by genetics. Knowing how genetics influence behavior that would be a ridiculous statement to make. However it is just as ridiculous to claim that genetics plays no role in homosexuality. Somewhere between 5-10% of the world's population is thought to be homosexual. Familial studies show that if one identical twin is gay then in about 50% of cases the other twin is also gay. If genetics did not play a factor one would expect this number to match the global average of 5-10%. Following from these studies we can look at the extended family. These studies show that homosexuality is more prevalent on the mother's side (at least with homosexual males) than the father's side. This would indicate that the genetic markers for homosexuality are carried on the X chromosome. In fact scientists have identified the XQ28 region of the X chromosome as being a likely location for some of the genes influence sexual behavior.
We can also look at other commonalities among homosexuals that could only be explained by a genetic influence. For example the amygdala in homosexual males bears more similarities to that of a heterosexual female than a heterosexual male. And vice versa. The same goes for the INAH3 region of the brain. Homosexuals also tend to show higher rates of left handedness than global population as a whole. There are numerous physical commonalities in homosexuals that clearly indicate genetics are playing a role.
Once again though nowhere am I saying that only genetics matter. Anyone who has spent time researching behavior genetics will tell you that it is very rare to see a heritability coefficient anywhere near 1.00. Human behavior is very much determined by both nature and nurture. If one has more genes that predispose them to a behavior then they will require a smaller environmental stimuli for those behaviors to manifest. It is very possible for someone to have some of the genes for homosexuality (or even a lot of them for that matter) but never manifest the behavior because they never receive the proper environmental stimuli. That is how the genes for homosexuality have been consistently passed on throughout human history.
Human sexuality is much more complex than an all or nothing proposition. It is based on numerous genes and countless environmental factors. It exists on a spectrum with a lot of gray area between the two extremes.edit on 7/1/2013 by Xcalibur254 because: (no reason given)
Originally posted by thebtheb
Originally posted by pyramid head
Originally posted by Xcalibur254
reply to post by pyramid head
It's also not included in the DSM because it doesn't fit with the other paraphilias at all. The DSM IV-TR defines a paraphilia as:
...recurrent, intense sexually arousing fantasies, sexual urges, or behaviors generally involving 1) nonhuman objects, 2) the suffering or humiliation of oneself or one's partner, or 3) children or other nonconsenting persons that occur over a period of at least 6 months
Homosexuals are human, consenting adults that don't require suffering or humiliation to become aroused. It simply does not meet the qualifications to be a paraphilia.
For someone who works in science your knowledge of behavioral genetics is lacking. With rare exceptions like Huntington's chorea genetics is never an all or nothing thing. Behavior is the confluence of genetics and environment. The more genetically predisposed one is to a behavior the less environmental stimuli is required for the behavior to emerge. So it's possible for a person to have some of the genes for homosexuality but never have the behavior emerge. Thus they pass on the genes to the next generation. Plus there are many of cases of people who have hid their homosexuality until after they had a family. I have to say it's quote ridiculous to think that something as complex as sexuality would be found on a single gene. As far as I know we have not found all of the genes that contribute to any complex behavior. So why are you surprised we haven't found the genes that contribute to homosexuality?
Then we come to your claims regarding the paraphilias. The difference between homosexuals and rapists or sadists is that rapists and sadists are generally seeking power over their victim. These paraphilias are natural because they are products of the brain. However, what makes them disorders is the fact that they are behaviors that cause suffering in others. There is no victim in homosexuality. There is very much a victim in rape. No one may choose to be a pedophile but at the same time most pedophiles will recognize what they're doing is wrong.
Please dont insult my intelligence, you have no idea what you are talking about and sound very ignorant. What you were attempting to explain is known as recessive traits, I'm not doing to give you a class on genetics, its not something you can just copy and paste from wiki. You also didnt fully read or understand the sentence addressing social construct in relation to passing on genetics. Sexual genetics effect some usual markers, mainly hormones;look, there would be alot to explain has far as genetic arguments, but that argument would be very one-sided so there is no point.
I figured someone would respond and compare the morality of different sexual behaviors in an attempt to invalidate my argument. Again, if you finished reading the sentence that aspect was addressed. Morality is not the issue, the behaviors are sexual in nature, and abnormal. That is their relationship. If your are going to justify one behavior has being natural and something you are born with, logically other sexual behaviors that are abnormal would then have to wonder if they are of the same origin. Why cant one argue their abnormal sexual behaviors are inherent in their DNA, and thus a result of being born? Reasoning that because one is morally superior to the other and using said reasoning to justify it being biological over the other is non-sense and illogical.
"Copy and paste" from Wiki? Please! There is no evidence ANY of your BS is true about homosexuality and genetics. You are hilarious!
Originally posted by Xcalibur254
reply to post by MuzzleBreak
Allow me to translate: "Modern studies don't support my preconceived conclusions so I'm going to go ahead and just say they're wrong."
Originally posted by MuzzleBreak
Rape, murder, theft, cannibalism--all naturally occurring also.
Originally posted by Xcalibur254
reply to post by pyramid head
No I am not discussing dominant or recessive traits or the basics of Mendelian genetics. What I'm discussing the basics of behavior genetics. Now I'm hardly arguing that homosexuality is 100% determined by genetics. Knowing how genetics influence behavior that would be a ridiculous statement to make. However it is just as ridiculous to claim that genetics plays no role in homosexuality. Somewhere between 5-10% of the world's population is thought to be homosexual. Familial studies show that if one identical twin is gay then in about 50% of cases the other twin is also gay. If genetics did not play a factor one would expect this number to match the global average of 5-10%. Following from these studies we can look at the extended family. These studies show that homosexuality is more prevalent on the mother's side (at least with homosexual males) than the father's side. This would indicate that the genetic markers for homosexuality are carried on the X chromosome. In fact scientists have identified the XQ28 region of the X chromosome as being a likely location for some of the genes influence sexual behavior.
We can also look at other commonalities among homosexuals that could only be explained by a genetic influence. For example the amygdala in homosexual males bears more similarities to that of a heterosexual female than a heterosexual male. And vice versa. The same goes for the INAH3 region of the brain. Homosexuals also tend to show higher rates of left handedness than global population as a whole. There are numerous physical commonalities in homosexuals that clearly indicate genetics are playing a role.
Once again though nowhere am I saying that only genetics matter. Anyone who has spent time researching behavior genetics will tell you that it is very rare to see a heritability coefficient anywhere near 1.00. Human behavior is very much determined by both nature and nurture. If one has more genes that predispose them to a behavior then they will require a smaller environmental stimuli for those behaviors to manifest. It is very possible for someone to have some of the genes for homosexuality (or even a lot of them for that matter) but never manifest the behavior because they never receive the proper environmental stimuli. That is how the genes for homosexuality have been consistently passed on throughout human history.
Human sexuality is much more complex than an all or nothing proposition. It is based on numerous genes and countless environmental factors. It exists on a spectrum with a lot of gray area between the two extremes.edit on 7/1/2013 by Xcalibur254 because: (no reason given)
Originally posted by MuzzleBreak
Genetics obviously plays a part.
In-utero hormonal and chemical exposures almost certainly play a part.
Environment, including lack of male roll-model, obviously plays a part.
X-linked inheritance makes a lot of sense. Genes for physical beauty/sexual attractiveness would also likely be located on the X chromosome.
Originally posted by MuzzleBreak
reply to post by intrepid
Are we allowed to laugh at SuperModerators?
When were you absent from your son's upbringing? At the ages of 1-5 yo--sometime in there?
How do you know there are not others in the family who are closeted homosexuals with the same X chromosome??--You can't know.
How would you know if your wife was exposed to abnormal hormonal levels or unknown chemicals at any particular point in the pregnancy?? You couldn't.
Originally posted by Xcalibur254
reply to post by pyramid head
Except when studies have been done that investigate those factors you list, only a small number of homosexuals have experienced them. At the same time, as I have mentioned a number of times, there are a number of commonalities between homosexuals that could only be explained by genetics such as the size and shape of the amygdala.
As I mentioned in my last post, genes contributing to homosexuality appear to be on the X chromosome. If we look at the mother and aunts (who would be more likely to pass on this gene than fathers) of homosexual males we see an interesting thing occur. These women on average are producing more offspring. So while, at least in males, this gene may hinder reproduction, in females it actually promotes it. Therefore one cannot necessarily say that this is a genetic defect since it actually increases the likelihood to reproduce in part of the population.
A woman does not have a choice to be a woman any more then
a black man has a choice to be black.
NATURAL EITHER FEMALE OR BLACK
Homosexual on the other hand is
a behavior choice.
UNNATURAL
in addition it tends to happen that children who are sexually and ritually abused, often become homosexual or bisexual
Originally posted by MuzzleBreak
reply to post by intrepid
Are we allowed to laugh at SuperModerators?
I've already been dinged 2000 points today for "uncivil" posts that were much more civil than those to which I was responding. Withhold the Gong hammer, please.
When were you absent from your son's upbringing? At the ages of 1-5 yo--sometime in there?
How do you know there are not others in the family who are closeted homosexuals with the same X chromosome??--You can't know.
How would you know if your wife was exposed to abnormal hormonal levels or unknown chemicals at any particular point in the pregnancy?? You couldn't.edit on 2-7-2013 by MuzzleBreak because: (no reason given)edit on 2-7-2013 by MuzzleBreak because: (no reason given)