FACTS YOU MIGHT NOT KNOW ABOUT DNA
Added on: 12th Jul 2016
MANY THINGS CAN CAUSE
MUTATIONS, INCLUDING UV IRRADIATION FROM
THE SUN, CHEMICALS SUCH AS DRUGS, AND SO ON
IF ALL THE DNA IN YOUR BODY WAS LAID END TO END,
IT WOULD REACH TO THE SUN AND BACK OVER
SIX HUNDRED TIMES (ONE HUNDRED TRILLION
MULTIPLIED BY SIX FEET DIVIDED BY
NINETY-TWO MILLION MILES)
IF YOU UNWRAP ALL THE DNA YOU HAVE IN YOUR
CELLS, YOU COULD REACH THE MOON SIX
THOUSAND TIMES!
GENES ARE PIECES OF DNA PASSED FROM PARENT
TO OFFSPRING THAT CONTAIN HEREDITARY
INFORMATION
OUR ENTIRE DNA SEQUENCE IS CALLED A GENOME.
ADDITIONALLY, OUR ENTIRE DNA SEQUENCE WOULD
FILL TWO HUNDRED, ONE-THOUSAND-PAGE
NEW YORK CITY TELEPHONE DIRECTORIES
MANY COUNTRIES, INCLUDING THE UNITED STATES
AND THE UK, MAINTAIN A DNA DATABASE OF
CONVICTED CRIMINALS
DOLLY THE CLONED SHEEP HAD THE SAME
NUCLEAR DNA AS ITS DONOR MUM BUT ITS
MITOCHONDRIAL DNA CAME FROM THE EGG MUM.
HMMM, I KNOW WHAT YOU’RE THINKING; IT MAKES
NO SENSE THE WAY IT SOUNDS BUT TRUST US,
IT MAKES SENSE TO THE SCIENTISTS
MITOCHONDRIAL DNA (MTDNA) IS FOUND IN THE
MITOCHONDRIA AND IS PASSED ONLY FROM
MOTHER TO CHILD BECAUSE ONLY EGGS HAVE
MITOCHONDRIA, NOT SPERM
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