Date: April
5, 2018
Source:
Senckenberg Research Institute and Natural History Museum
For the first time, scientists have
deciphered the complete genome of the blue whale and three other rorquals.
These insights now allow tracking the evolutionary history of the worlds’
largest animal and its relatives in unprecedented detail. Surprisingly, the
genomes show that rorquals have been hybridizing during their evolutionary
history. In addition, rorquals seem to have separated into different species in
the absence of geographical barriers. This phenomenon, called sympatric
speciation, is very rare in animals.
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