11. It's not that scientists believe a genetic change is all bad. 12. Another genetic change caused the kernels to stick more tightly to the cob. 13. The rapidity of genetic change may help explain several puzzles in human evolution. 14. Genetic changes can occur at different levels and by different mechanisms.15. It warns about new pollutants that may cause cancer or human genetic changes . 16. For example, adaptation to changing environmental conditions often causes relevant genetic changes during inbreeding. 17. The plot nearest Chernobyl underwent genetic changes hundreds of times more often than expected. 18. Of these three effects only genetic change brings about adaptation. 19. This is because at least two kinds of genetic changes must occur in cancers. 20. The first somatic treatment that produced a permanent genetic change was performed in 1993.
