Cloning Neanderthals?

November 26, 2008

Neanderthal175 I don’t know about you, but I was absolutely dumbfounded a while back by a news article reporting that a California woman had spent $50,000 to have a South Korean company, RNL Bio, clone skin cells taken from her dead pit bull, Booger, to produce five genetic replicas of him. OK, they are cute, as this photo  illustrates. But not any more so than Rachel, a young female bull terrier-American Staffordshire terrier mix who is currently available for adoption in Los Angeles from Dogs Without Borders. The same could be said for any of about eight zillion other members of the bully breed who are languishing in animal control lockups across the U.S. as you read this. I can think of potentially beneficial — or least, justifiable — applications of cloning technology, but churning out puppies isn’t one of them. We’ve already got more than enough. (FYI, here’s the Humane Society of the United States’ position on the issue of pet cloning.)

If we’re going to clone something, why not pick something in much rarer supply? How about … a caveman?

I don’t mean a Geico caveman, either, or that stylishly coiffed, guttural gibberish-spouting hunk John Richardson, who chased various impossibly contemporaneous prehistoric beasts away from a fur-bikini-clad Racquel Welch in the classic 1966 exploitation flick One Million Years B.C. No, I’m talking about cloning a bona fide extinct hominid, the sort who roamed Europe and parts of Asia roughly between 200,000 and 30,000 years ago, before being assimilated — or driven out of existence — by modern humans. I’m talking about cloning a Neanderthal.

You’re probably thinking that this idea sounds even more ridiculous than cloning old Booger, not to mention utterly impossible from a practical standpoint. But hey, hear me out. Since 2006, paleogeneticist Svante Paabo at Germany’s Max Planck Institute for Evolutionary Anthropology, with help from a revolutionary new sequencing technology developed by Connecticut-based 454 Life Sciences, has been laboring to reconstruct the Neanderthal genome from DNA fragments extracted from a few grams of Neanderthal bone found in Eastern Europe. At the same time, a parallel project is under way at the Lawrence Berkeley National Laboratory, which is developing a library of Neanderthal DNA sequences by inserting fragments of Neanderthal DNA into bacteria. When the work is eventually completed, scientists will have assembled a genetic blueprint for the Neanderthal, similar to the one already compiled for modern humans.

Once we’ve got the complete genome of an extinct hominid, it would be at least theoretically possible to insert it into a human egg and then implant the resulting embryo into a surrogate human mother. And it may not be too much of a reach. After all, trailblazing evolutionary biologist Hendrik Poinar told a Stanford University conference last year that extinct species such as the wooly mammoth and saber-toothed tiger eventually will be cloned. As the Stanford Daily reported:

“The reality is it will happen,” Poinar said concerning the cloning of extinct species. “Twenty to 30 years is the span people are talking about.”

But while we’re at it, why not clone a Neanderthal? A 2006 New York Times article on the Neanderthal genome research effort went so far as to ponder the ethics of such an experiment: 

The most serious technical problem would be creating functional chromosomes from Neanderthal DNA. But ethical questions may be less surmountable. “My first consideration would be for a child born alone in the world with no relatives,” said Ronald M. Green, an ethicist at Dartmouth College. The risk would be greater if, following the plot line of Mary Shelley’s “Frankenstein,” a mate were created as a companion for the lonely Neanderthal. “This was a species we competed with,” Dr. Green said. “We would not want to recreate a situation of two competing advanced hominid species.”

But Dr. Green said there could be arguments in the future for resurrecting the Neanderthals. “If we learn this is a species that was wrongly pushed off the stage of history, there is something of a moral argument for bringing it back,” he said. “But the status quo is not without merit. Curiosity alone could not justify what could be a disaster for both species.”

Dr. Green sounds appropriately conflicted, for a bioethicist. But I think it could be worth the risk. After all, some anthropologists have portrayed Neanderthals as peaceful, altruistic, spiritual creatures — British archaeologist Steven Mithen, for example, believes that they communicated in part by singing to one other. In essence, they were pretty much the opposite of our murderous, intolerant, often self-destructive branch of the human species. Maybe they could somehow help us extricate ourselves from the global mess that we’re currently in.

So what do you think? Should scientists try to clone Neanderthals, or should we avoid messing with human evolution? Express your opinion below.

Photo: iStock


Patrick J. Kiger has written for print publications ranging from GQ to the Los Angeles Times Magazine, and is the co-author of two books, Poplorica: A popular history of the fads, mavericks, inventions and lore that shaped modern America," and Oops: 20 life lessons from the fiascoes that shaped America. For more of his work, check out his web site, www.patrickjkiger.com.
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