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Author Question: Fragile-X syndrome usually occurs as a result of a. paternal age. b. maternal age. c. unusually ... (Read 58 times) |
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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