linkedin post 2018-06-23 04:50:23

HUMAN GENOME RELICS. “Most of the junk consists of: (1) very obvious examples of broken genes (pseudogenes 5%); (2) bits and pieces of transposon sequences that used to be capable of transposing but have mutated over time (45%); and (3) ancient viral sequences that have degenerated (9%). That’s 59% of the genome that’s clearly junk DNA. In addition, there’s plenty of evidence that most intron sequences are dispensable. That accounts for another 28% of the genome. The total amount of junk DNA is at least 87%.“

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