| 41. | What are the pros and cons of selective breeding ? is it ethical / unethical?
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| 42. | The global craze for bettering society through selective breeding could be applied to local aims.
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| 43. | The house does not sell cats but does continue a selective breeding program for them.
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| 44. | This trait is being improved upon by selective breeding.
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| 45. | Other salmon producers rely on stock from hatcheries where selective breeding is less well developed.
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| 46. | Set up a dictatorship and do selective breeding.
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| 47. | After years of selective breeding and genetic improvement, the pigs grew leaner, longer and more muscular.
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| 48. | Through selective breeding it is now widely available.
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| 49. | Smithfield's Lean Generation Pork is actually the result of 25 years of selective breeding and research.
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| 50. | Over many generations, human selective breeding has produced dogs that are keenly sensitive to their owners.
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