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Each chromosome has thousands of genes
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Each chromosome has thousands of genes
The total possible combination of alleles for those genes in humans is ~70,368,744,177,664, trillions of times more than the number of people who have ever lived (~108 billions)
In some ways this means we are alive against enormous odds
有趣
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Massimo
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The vibrant astronomical ceiling of the Hypostyle Hall, at Dendera Temple, Egypt.
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The vibrant astronomical ceiling of the Hypostyle Hall, at Dendera Temple, Egypt.
Temple of Hathor was originally built in 2250 BC, but the present structure belongs to the Ptolemaic or Greco-Roman period. The eight feet square sandstone ceiling panel from 50 BC, is reputed to…
时政
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