We are very much alike
|
Humans and chimps share about 98% of their DNA, and now
scientists have discovered monkeys that can talk to each
other?in complete sentences.
Genevi?ve Roberts reports in the Independent that using
words to make sentences?and using the same word for the
same thing over and over?is what we call "syntax," and
putty-nosed monkeys in Africa can do this too. Two of their
basic sounds, "Pyows" and "Hacks," are used to warn against
two different predators: a Pywow is a leopard and a Hack is
an eagle. But when the words are combined, the sentence
means "Let's go," which is sort of like the human phrase "Let's
roll," which was used by the
Flight 93
passengers.
Humans may be a product of interbreeding between early man
and chimpanzees, which would be the reason our DNA is so
much alike. Bjorn Carey writes in LiveScience.com that our
earliest ancestors may have interbred with the ancestors of
modern chimpanzees to create a hybrid species. That species
eventually became the ancestors of modern man, after a long
period of evolution.
Humans and chimps have very similar
X
chromosomes (an XX is a female and an XY is a male). The
X chromsome is considered to be "younger" than the other
chromosomes by a little over a million years.
Art credit: freeimages.co.uk
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