| 单词 | muller’s ratchet |
| 释义 | Muller’s ratchetMuller’s ratchetAn evolutionary theory which attempts to explain why sex exists. If most mutations are deleterious, a high rate of mutations could account for the evolution of sex. Per Muller, if the mutation rate is high, mutation-free individuals become rare, and are lost in small populations due to genetic drift. |
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