1.Give reason for your observation of a pupil size in: (a) dim light and (b) pupil size in bright light. (mention should be made of the circular and radial muscles of the iris and the role they play)

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explanation:

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after making a punnet square using bv bv bv bv you will find that the ratio will be 9: 7 or a 128.6% probability.

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b. lithosphere, asthenosphere, mesosphere   is the answer most likely