Still, the biggest shock is the fact that Flo's puny brain —
no bigger than a chimpanzee's — was so capable.
Not exact matches
The team found that humans are equipped with tiny differences in a particular regulator of gene activity, dubbed HARE5, that when introduced into a mouse embryo, led to a 12 %
bigger brain
than in the embryos treated with the HARE5 sequence from
chimpanzees.
At the DNA level, humans and
chimpanzees are about 98 percent alike, yet the human brain is three times
bigger and far more complex
than the
chimpanzee's.
The brains of these genetically modified mice grew 12 percent
bigger than ones given the
chimpanzee version of HARE5.