Kind: captions
Language: en
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imagine sharing life with a person who
seems to be you everyone say cheese
cheese created from the same fertilized
egg you share exactly the same genes sit
up and
smile so profound is their influence
everything about you appears the
same the spaces between your teeth
the way you
laugh your body
language you are in a word identical or
are
you as infants they were very much alike
their physical similarities are obvious
and all their physical Milestones happen
at the same time but functioning today
for Jenna and Bridget they're completely
different Jenna is enthus I Astic
productive you know Jenna's going to
college she talks about it all the time
now Bridget is essentially nonverbal she
doesn't have purposeful conversational
speech and there's very unusual behavior
for example she likes to spit on
monitors and then rubs it in I don't
know why but that's what she
does how how could these guys be
identical and so um on such a different
level functioning
wise so if genes don't tell the whole
story of who we are then what
does scientists suspect the answer lies
in a vast chemical Network within our
cells that controls our genes turning
them on and
off it's a little bit like the dark
matter the Universe I mean we know it's
there we know it's terribly important
but we don't really know all that much
about how that's Symphony gets played
out we're in the midst of probably the
biggest revolution in biology that is
going to for ever transform the way we
understand genetics environment the way
the two interact what causes disease
it's another level of biology which for
the first time really is up to the task
of explaining the biological complexity
of Life everyone say cheese ghost in
your jeans up next on Nova can you see
it yeah a
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