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The Tricky Science of Olympic Gender Testing

First time accepted submitter erdos-bacon sandwich writes "Gender tests may be the most controversial obstacle the athletes face. The London Games tries a new approach based on testosterone. Of all the obstacles athletes have had to overcome to compete in the Olympics, perhaps the most controversial has been the gender test. Originally designed to prevent men from competing in women's events, it is based on the premise that competitors can be sorted into two categories via established scientific rules. But the biological boundaries of gender aren't always clear."

14 of 559 comments (clear)

  1. Re:How hard can it be? by Pseudonym · · Score: 5, Insightful

    This is they key point. "Freaks of nature" are over-represented in the elite athlete community already. That's part of what makes them elite. Why should abnormalities related to sex chromosomes or hormones be any different?

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  2. Re:Is that a man or a woman? by Anonymous Coward · · Score: 5, Insightful

    Except categories in sports are defined by sex not gender so what they believe to be does not matter when it comes to decide in which category they can compete.

  3. Re:How hard can it be? by Jesrad · · Score: 5, Insightful

    Oh yes, how hard can it be...

    Check one:
    [ XX ] Woman
    [ XY ] Man

    What if I'm XXY (Klinefelter Syndrome) ? What if I'm just X (Turner Syndrome) ? What if I'm XX but SR-Y positive due to gene translocation ? What if I'm XY but Completely Androgen Insensitive (CAIS) ?
    What if some of my cells are XY, but the others are X, or XX, or XXY (mosaicism and chimerism, sometimes combiend with the syndromes above, see the famous case of Lydia Fairchild for a primer) ? Do we decide sex on the cells' majority+1 ? Or should part of my body compete in the Mens' races, and the other part in Womens' ?

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  4. Re:How hard can it be? by Rei · · Score: 5, Insightful

    So if a person's body develops as a woman, they're still a man, even though by all objective standards beyond the chromosomes, they're a woman? That's a really strange conception.

    And hey, lets just blur your chromosome standard. What about a person who has a Y-chromosome but a broken SRY (the gene region that triggers the initial male-development cascade)? What if they have a Y with *no* SRY? What if they're XX but contain a migrated SRY and developed into a male as a consequence? What if they're a chimera and gained their male-developmental trigger from a minority of their body's cells? What if the cascade began without SRY due to another genetic defect? What if it failed despite SRY due to another genetic defect?

    And think about the practical aspects of your standard. Should a man who's XX but has fully male traits, from genitalia to musculature, get to compete in womens' events? Really? You're going to have a *lot* of ticked off women if you do that, let me tell you...

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  5. Re:Is that a man or a woman? by metrix007 · · Score: 4, Insightful

    Gender is generally considered a separate thing from sex. This article about determining an athletes sex, in which a ladyboy would be considered male, whether they like it or not.

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  6. Re:Confusing terminology by metacell · · Score: 4, Insightful

    Gender is not just a linguistic term, it's also a sociological term. If society treats you as a (man|woman), then your gender is (male|female).

  7. Re:How hard can it be? by Overzeetop · · Score: 4, Insightful

    but for every kind of mix of the two there's a sport to excel in.

    No, actually there isn't. You need only to go to any adolescent training area to see that the very top athletes do not come from the ranks of those who have neither inherent strength, agility, and/or flexibility, and yet train with the masters. It would be like saying that anyone can become a nobel prize winning scientist if they simply studied more, or one of the top two or three musicians on an instrument/voice in the world by just practicing at an early age. It's not that easy or we would all be masters of our craft.

    Genetics plays a primary role in selection of the top 1e-8 fraction of athletes in the world. I'll agree that without proper training, that'll get you no more than a spot in your local rec league, but without the proper genetic mix you can probably forget about multiple olympic gold medals no matter how hard you train.

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  8. Re:Is it true that Chinese girl pass all drug test by AngryDeuce · · Score: 4, Insightful

    No, but to ignore the fishy bullshit they've pulled in the past is retarded, too. If you believe they're on the up and up, that's fine, but forgive us for a little incredulity when they've demonstrated that they'll play games like this before.

  9. Re:Is it true that Chinese girl pass all drug test by AmiMoJo · · Score: 5, Insightful

    She beat her own best time by five seconds, which is unheard of in swimming which is the only sport measured to the thousand-of-a-second.

    Actually a few top British swimmers made gains of a few seconds during their teenage years. There was another claim about her going faster than the fastest man in the last 50m of the race, but actually so did another British female swimmer in her event. The man in question was so far ahead he didn't need to go top speed to win, so presumably saved some energy for the next race.

    As training and technique developers this sort of thing does happen. Look at Bolt, the guy beat the 100m world record without even trying (he was slowing down at the end when we realized he had an unbeatable lead). He is also quite tall, which used to be considered a hindrance in the 100m, but it turned out our understanding of the sport was wrong.

    She won, she tested clean for all known doping agents, she has been tested at least four times over the previous year and several times at the Olympics. No need for sour grapes and innuendo.

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  10. Re:Is that a man or a woman? by h4rr4r · · Score: 4, Insightful

    So define that? It will not be easy.

    Do you base it on sex organs? Genetic tests, which may not match sex organs? Levels of certain hormones in the blood?

    All of these methods have edge cases.

  11. Re:Wait a second there ... by Hatta · · Score: 4, Insightful

    This is exactly right. Having seperate Olympic games for women is like having a separate Fields medal for women. No woman has ever been awarded the Fields medal for her work in mathematics. Does that mean we should create a woman's Field's medal?

    I don't understand why women don't consider the women's events condescending. In any other circumstance, if you tell a woman "you're good at X, for a woman", she'll be offended. But if you hand her a gold medal while saying the same thing, somehow it's OK.

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  12. Re:Intersex is not the same as gay or transgender by jc42 · · Score: 5, Insightful

    the only difference from every other woman is that they could not have children since they had no ovaries

    That's Nature trying to tell you something. Weird edge cases like that should not exist.

    On the contrary, it's "Nature" that produced the described intermediate case, and Nature is never trying to tell us anything. Nature isn't an intelligent creature, and is incapable of having thoughts or purposes, much less communicating them.

    There are plenty of species that produce non-reproducing individuals as a normal part of the population. In bees and ants, the overwhelming majority are such sterile, non-reproducing "females". In such species, this is not just normal; it's the basis of their evolutionary success. And note that there's at least one species (the domestic honeybee) that's quite important to us humans. All those little worker bees busy pollinating our crops are non-reproducing somatic females. If you think they're a weird edge case that shouldn't exist, you're asking for a major agricultural disaster. ;-)

    Granted, in humans it really is an edge case. But it's really nothing more than a biochemical accident. There's no intelligence or "life force" or whatever trying to tell us anything.

    Telling "Nature" that something shouldn't exist is utterly futile. The universe produces what it produces, and doesn't care what you or I think. Punishing such "weird" individuals amounts to punishing innocent victims of random biochemical accidents. Do you really want a society in which such punishment is allowed or encouraged?

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  13. Re:Is that a man or a woman? by David+Chappell · · Score: 4, Insightful

    Except categories in sports are defined by sex not gender so what they believe to be does not matter when it comes to decide in which category they can compete.

    Not sure what distinction you are trying to draw between sex and gender. It can be confusing because "gender" now means what we used to call "sex". You have likely read books written before 1950 in which characters use expressions such as "a member of my sex", "the battle of the sexes". The statement "I want to talk about sex." would likely have been understood to mean "I want to talk about the social implications of being male and female."

    I have here a dictionary written in 1955 which under "sex" gives the meaning of maleness or femaleness and "the attraction of one sex to the other". It doesn't even meantion that it could mean the sex act. This meaning appears to have become popular in the 1960's. With sex now being a word that made small boys titter, those who wanted to talk about the social implications of sex (maleness or famaleness) borrowed the term from grammar. It would be too embarrasing to say that one was taking "Sex Studies" in college, so they called it "Gender Studies".

    Having thought about the above, you think you are saying that the problem is deciding who is female biologically as opposed to who can function as a female in society. The problem is that a small but significant part of the population displays testable physical characterisics of both sexes. For example, there are persons who are genetically male, but have female bodies. The IOC is thrashing around trying to find a definition of a female body.

    I think the reason they have dropped testing of all athelets who claim to be female is that once you select women with strong, athletic bodies, you increase the likelihood that some measure of their bodies will be closer to that of male bodies. If you then disqualify them as "technically male", you create a scandal and humiliate them. If, when her picture appears in news stories, the public perceives her as being a member of the female sex, you then look ridiculous as well.

    On the other hand, if you test no one, soon the women's division of sports requiring strength will be filled with men without beards and underdeveloped genitals.

  14. Re:Intersex is not the same as gay or transgender by jc42 · · Score: 4, Insightful

    In the cases of Ants and Bees, the difference between a Breeding female (queen) and a worker female (drone) is not genetic, it is environmental.

    Nonsense. It's completely genetic. The suppression of the workers' reproductive system is triggered by pheromones produced by the queen, and the queen contains genes that control this production. The workers' reaction to the pheromones is controlled by their genes. Actually, the genes are shared by the queen and worker, whose caste is determined by the activation of other genes. The entire setup is determined by the colony's shared genes, not by anything in the environment.

    Treating the queen an workers as independent creatures and treating the reproductive pheromones as "environmental" shows a severe misunderstanding of the concept of "environment". Honeybees were one of the primary species that led biologists to develop the concept of a colonial "super-organism", treating bee and ant colonies as a single "individual" for many purposes. There are a lot of problems and open questions with such concepts, but it's clear that treating interactions between different members of a Hymenoptera colony as "external" is simply wrong. You can only make sense of such social creatures by treating the colony as a third "level" between the individual and the environment. The colony's properties are in many respects more similar to our bodies' internal properties than they are to the colony's environment.

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