Bruce Beutler quoteBruce Beutler [1957-0]
American Scientist 
Quote rank: 106
| A mutation can create an alternative form of a phenomenon - a phenotype or trait - and we can learn a lot by seeing this alternative state. Once I saw a mouse with no eyelids. It simply had a membrane over the eyes. I found it fascinating that there is a single gene required for eyelids to develop. |
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