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- HUMANS AND CHIMPANZEES PARTED COMPANY IN EVOLUTION
ABOUT 6 MILLION YEARS AGO FROM A COMMON ANCESTOR.
THE HUMAN GENOME AND THE CHIMPANZEE GENOME
HAVE BOTH BEEN COMPLETELY SEQUENCED,
AND THIS IS A SMALL SECTION
OF PART OF THE GENOME THAT MATCHES.
IF WE FOLLOW ALONG HERE-- HUMAN, CHIMP--
GO ALL THE WAY ALONG HERE, ALL THE WAY ALONG HERE,
THEY'RE ALL IDENTICAL.
DIFFERENCES BETWEEN THE TWO
ARE INDICATED BY A LITTLE MAN
WHO IS IN FACT SVANTE PAABO,
A VERY DISTINGUISHED SWEDISH GENETICIST
NOW WORKING IN GERMANY.
IT'S A LITTLE GAME OF FIND PAABO.
FOLLOW ALONG THIS ROW HERE.
CHIMP, HUMAN, CHIMP, HUMAN.
IDENTICAL, IDENTICAL, IDENTICAL.
THERE'S A DIFFERENCE.
WALK ALONG, WALK ALONG, WALK ALONG.
ALL THE SAME. ALL THE SAME.
IDENTICAL.
NO DIFFERENCE AT ALL
BETWEEN THE HUMAN AND THE CHIMPANZEE,
EXACTLY THE SAME,
EXACTLY THE SAME.
NOW WE SEE ANOTHER DIFFERENCE THERE,
"A" VERSUS "G."
WALK ALONG, WALK ALONG, WALK ALONG.
AND THERE ARE NO MORE DIFFERENCES
IN THAT WHOLE ROW.
ALMOST ALL OF THE HUMAN GENOME AND THE CHIMPANZEE GENOME
IS IDENTICAL.
A TINY NUMBER OF DIFFERENCES
ACCOUNT FOR ALL THE REALLY QUITE LARGE DIFFERENCES
THAT WE SEE BETWEEN HUMANS AND CHIMPANZEES.