With over 90 billion DNA bases, the South American lungfish may give us clues as to how life transitioned from water to land.
A bizarre and ugly fish that has been around for hundreds of millions of years has been discovered to have the most DNA of any animal ever found.These South American lungfish have around 30 times as much DNA as humans, according to a new paper in the journal Nature, which may give us clues as to how life transitioned from water to land.
These are a type 'jumping gene' that can move within a genome on their own, cutting or copying themselves and inserting into different locations in the DNA.If the autonomous transposon copies itself, it can increase the size of the genome when it pastes a copy back in at another location. The researchers think that this is how the South American lungfish grew so large over millions of years.
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