| 31. | These studies helped illuminate the genetic changes that take place during the origin of species.
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| 32. | That way, they might identify some of the major genetic changes that cause breast cancer.
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| 33. | Often, the multiple genetic changes that result in cancer may take many years to accumulate.
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| 34. | The grant enabled the purchase of equipment to analyse genetic changes in different tumour biopsies.
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| 35. | With added genetic changes, they become invasive colon cancers.
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| 36. | Therefore, it appears this genetic change is usually required for the development of the disease.
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| 37. | If that genetic change is true, younger lobsters may be laying eggs before they are caught.
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| 38. | A close examination of the genetic changes in the animals suggested one possible cost of adaptation.
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| 39. | But he considers it more likely that there has been a genetic change in the beetle.
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| 40. | Scientists assume that the rate of genetic change a species undergoes is relatively constant over time.
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