21. Influenza viruses have a relatively high mutation rate that is characteristic of RNA viruses. 22. Another unanswered question is that of the fungus's mutation rate . 23. "How can we account for a higher mutation rate in males than in females? 24. The standard evolutionary family tree is based on studies of mutation rates in RNA. 25. The key is to be able to target cancer cells specifically or reduce mutation rates . 26. Prior research found elevated mutation rates in fetuses from women who themselves smoked during pregnancy. 27. In fact, the mutation rate of an organism may change in response to environmental stress. 28. Despite the mutation rate , the vole population was booming. 29. Belarus is highly polluted in general, which may account for some of the mutation rate . 30. Similarly, relying on a high mutation rate alone produces a large portion of defective organisms.
