Apr 16 2011: Good point. However, a "kill switch" is not so easy to engineer. What exactly will it entail? The best solution is to stop bioengineering things that make no sense, like glow-in-the-dark fish, and focus on what really matters, like the ear on the mouse. I don't understand what you mean 'without possibility for "natural life cycles"'; if it just so happens to mate with a natural creature and the offspring is a mutated, unpredictable life form, what should we do? All engineered creatures should have no possibility for offspring. Bioengineering anything is wandering off into murky waters. Some things should best be kept in the dark, like those fish of yours.
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