1. Mutant strains lacking factors important for septin organization support this view.2. But there is a mutant strain of mice that have hearts on the right. 3. In addition, these mutant strains exhibited very high rates of mis-segregation compared to normal behavior. 4. Naval oranges are diploid plants, but they come from a mutant strain that arose naturally. 5. He began developing large, mutant strain , colonies of mice. 6. But it doesn't work perfectly, and HIV eventually spawns mutant strains that resist the medication. 7. In the mutant strain , proteins entered mitochondria from the cytosol normally but then misfolded and aggregated. 8. Mutant strains lacking pili show severely attenuated pathogenicity.9. He certainly needed self-confidence after a mutant strain of the tuberculosis germ left him blind in 1940. 10. In mutant strains of arabidopsis that lacked these genes, the researchers discovered, seed pods did not shatter.