Revealed: The human genome in 3D

Scientists have worked out the 3D structure of the human genome.

Their findings, published in Science magazine, reveal how long strands of DNA code are folded and tightly packed into the nucleus of a human cell.

Unfolded, the cell's genome - those strands of DNA code - would be approximately 2m in length.

The team showed how this is organised into a tight ball to fit inside a nucleus, which is about one hundredth of a millimetre in diameter.

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