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Phylogenic Tree Limb Development Hand Chipmunk Monkey Mouse Rat Foot Human Feet Divergent Evolution Wing Convergent Evolution Hoof Info |
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13 day 4 hours old rat embryo
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13 day 12 hours old rat embryo
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14 day old rat embryo
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15 day old rat
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15 day 7 hours old rat
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15 day 18 hours old rat
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15 day 20 hours old rat
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19 days old rat
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