And 23andme is just the beginning. Another company called DeCode offers a similar service called DeCodeMe, and more are sure to follow. People are desperate to understand themselves, and so they turn to genetics as if it were a self-help manual instead of a still poorly understood science.
While there are many theories about how genetic expression works on our personalities and health, there are few solid facts. Some tests, such as those for various kinds of developmental disabilities, have provable results. But many genetic tests, like those 23andme claim can reveal "athletic ability," are the biotech version of snake oil.
The question I keep asking about home genomics kits is whether they're any worse than, say, parts of the self-help industry. Both promise to fix people by making vague pronouncements based on a little science mixed with a lot of rank speculation.
Both do help people figure themselves out some of the time. And both are often quite costly -- therapy can go for hundreds of dollars an hour and so can self-help classes.
I'm wondering, essentially, if there's something exploitative about the services sold by 23andme. Probably not -- or no more so than the chocolate sold by Godiva, which is also shockingly expensive and basically useless. If people want to pony up the cash to have a little fun, why not?
But I don't think it is just a little fun, like chocolate or "find the inner you" classes are. What I see when I look at a site like 23andme is nothing less than the future of eugenics. I don't mean the scary capital E eugenics of the 1930s that involved killing Jews and sterilizing "loose women." I mean wild-type eugenics, the kind of genetic engineering that happens in nature without any dictatorial intervention.
It's the sort of eugenics that results when people of the same race and class tend to marry each other. It's the genetic engineering that results when men can choose their mates but women can't.
23andme and Web sites of its ilk are just one step away from becoming social networks based on genetics, like Facebook for people who want to compare genes instead of beer bongs. Currently that's not what 23andme is trying to be, though it does offer users the chance to compare their genomes with those of the general population.
But you can bet that once these companies amass tons of genetic data, they're going to want to do something with it. After they sell it to insurance companies -- which will use the information to charge higher rates to people with "bad" genes -- they'll sell it back to users in the form of social networks.
Or the users themselves will post their data for all to see, the same way they already cluelessly post pictures of themselves passed out naked on MySpace. And out of that data will arise the first dating service based on genome compatibility. And what is genome compatibility but eugenics?
And I do think it's worse than self-help, which is sometimes good for you. It's worse than Godiva chocolate, which is at least tasty. Home genome kits, at this point in time, are likely to confuse people at best and confirm their prejudices at worst.
I'm not saying people shouldn't buy these kits or that they won't be useful one day, when we understand our genomes better. I'm just saying we shouldn't use them to understand our places in society. Certainly we shouldn't use them to find genetically compatible friends. But I'm pretty sure we will.
Annalee Newitz is a contributing editor at Wired magazine. Her forthcoming book, "Pretend We're Dead" (Duke University Press), is about monster movies and capitalism.
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