intro to dna. dna fun facts how long does it take one of your cells to completely copy its dna? 8...
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Intro to DNA
DNA fun facts
• How long does it take one of your cells to completely copy its DNA?• 8 hours• In the human DNA code is made up of base pairs: A-T
and G-C on each side of the DNA strand. How many base pairs are in a DNA strand?• 3 billion• If you were to recite the order of the ATCGs in your
DNA starting tomorrow morning, at a rate of 100 nitrogen bases per minute, how long would it take you to recite one entire DNA strand if you didn’t stop to eat, drink, sleep or go to the bathroom, etc?• 57 years
DNA fun facts
• Autosomal cells have how many chromosomes?• 46• Sperm and egg have how many chromosomes?• 23• If you were to stretch out the DNA from your 46
chromosomes in just one cell and lay it end to end, how long would it be?• Over 2 yards• If the total DNA in one person were laid out in a
straight line, how long would it be?• 30 times the distance to the sun
DNA fun facts
• How many cell nuclei could you fit across the period on your paper?• 1000• How many threads of DNA could you fit across the
same period? • 1 million• If you wanted to store all the information from a
strand of DNA on a computer, how much storage space would it take up? • 3 GB
DNA fun facts
• How genetically similar are you to any other random human on the planet? (percentage wise)• 99.9%• How much genetic material do we as humans share
with the bacteria e. coli? (percentage wise)• 7%• How much genetic material do we as humans share
with earthworms? (percentage wise)• 21%
DNA fun facts• How much genetic material do we as humans share
with the a zebra fish? (percentage wise) • 85%• How much genetic material do we as humans share
with a mouse? (percentage wise)• 90%• How much genetic material do we as humans share
with a chimpanzee? (percentage wise)• 98%• What percent of our DNA codes for proteins? • 2%• The dominant trait is always the better trait to have.• False
Darwin’s Ear Points
Tongue Rolling
DOMINANT RECESSIVE
Attached Ear Lobes• Dominant
• Recessive
Hitchhiker’s Thumb
Left handed
Right handed: dominant Left handed: Recessive
FrecklesDominant Recessive
Bent little finger
Bent: dominant Recessive: straight
Curly Hair
Dominant Recessive
Longer 2nd toe
Dominant Recessive
Eye Color
Dominant Recessive
Widows Peak
Dominant Recessive
Butt Chin/Cleft Chin
Dominant Recessive
Hand Clasping
Dominant Recessive
Mid-digit hair
Dominant Recessive
DimplesDominant Recessive
Arm CrossingDominant Recessive
Lip shapeDominant
Recessive
Nose BumpDominant Recessive
Index finger longer than ring finger
Hair Color
Vulcanism