Ultimately the ethical implications of neuroscieuce may be (i)_________than those of genetics. The transformations of behavior possible by manipulating neurons are both more predictable and more thorough than what can be achieved by altering genes. Even if the ethical and practical constraints on genetic experimentation suddenly (ii)_________- we'd have to wait decades to see the outcome of such experiments. Altering the brain's functioning, by contrast, can produce startlingly (iii)_________results.
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