In a story about mitochondrial disease in last week's Quest section, letters were left out of the word “feet” in the sentence beginning, “Packed inside the nucleus of every human cell is roughly 6 feet of DNA . . . ”
The Union-Tribune regrets the error.
It is the policy of the Union-Tribune to correct all errors. Please contact: Carol Goodhue, readers representative, (619) 293-1525, or readers.rep@uniontrib.com