what is this dna stuff? dna is a long fiber: it’s kind of like a hair, but much longer and thinner...
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What is this DNA stuff?
• DNA is a long fiber: It’s kind of like a hair, but much longer and thinner
• DNA is made up of: 2 of these “strands of hair” in a twist
• DNA is held together by tiny little protein ladders
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What does this DNA do for me?It determines everything about you!
• The color of your hair• The color of your eyes• The size of your feet• If you’re a guy or a
girl• How tall you will be• If you might have
certain illnesses
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I thought that was determined by my “Jeans”?
You’re on the right track! DNA is organized into GENES. Genes are grouped
into Chromosomes. Each person has 23 Pairs of Chromosomes
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DNA is the specific code for everything about you
It is the Blueprint for you!
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So what is this DNA stuff made of?
• It is made up of 4 chemicals/ proteins that like to stick together
• Adenine pairs with Thymine (buddies)
• Guanine pairs with Cytosine (buddies)
• mRNA contains a different “protein buddy” do you know his name? Look it up!
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Did you know?
Every cell in your body has a copy of this DNA! It is in every cell of your
body!
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I know this DNA has made me who I am, but what else is it used for?
• Forensics
• Bioremediation
• Native American Verification
• Prenatal DNA testing
• Paternity testing
• Vaccinations
• Curing diseases
• Xenotransplantation
• Raising healthier plants
• Bringing back extinct species
• Let’s talk about it……………………………..
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So, if I was a detective how would I collect this DNA?
• Chewing Gum• Licked stamps• Hair w/ intact root• Razor shavings• tooth brushes• cigarette butts
(smoking is bad for you!)
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Let’s collect our own DNA samples!
These samples will last a lifetime.
They can be helpful if a child is missing or kidnapped
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If you would like to learn more...
• www.genetree.com
• www.eurekascience.com
• dna2z.com
• www.howstuffworks.com
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