DNA crime scene investigation. Each group is given a long paper strip of DNA, a 3-page story of the missing necklace and directions on how to fingerprint and sequence their DNA. Scissors act as the restriction enzyme, cutting the DNA between every CCGG into varied length segments. As the segments are pasted into the corresponding rows on the sequencing board (imitating gel electrophoresis), the DNA fingerprint of each suspect will emerge. So, who stole the necklace?

DNA crime scene investigation. Each group is given a long paper strip of DNA, a 3-page story of the missing necklace and directions on how to fingerprint and sequence their DNA. Scissors act as the restriction enzyme, cutting the DNA between every CCGG into varied length segments. As the segments are pasted into the corresponding rows on the sequencing board (imitating gel electrophoresis), the DNA fingerprint of each suspect will emerge. So, who stole the necklace?

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Extracting DNA from a strawberry!    http://thehomeschoolscientist.com/extracting-dna-from-strawberries-experiment/#.U3O6Sq1dUuG

Extracting DNA from a strawberry! http://thehomeschoolscientist.com/extracting-dna-from-strawberries-experiment/#.U3O6Sq1dUuG

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Edible model of DNA made of twizlers and marshmallows. Pro: Fun and easy way to help students understand the form of dna. Con: I feel that the pieces of dna would be eaten by the students before the model is made.:)

Edible model of DNA made of twizlers and marshmallows. Pro: Fun and easy way to help students understand the form of dna. Con: I feel that the pieces of dna would be eaten by the students before the model is made.:)

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Free Biology Lab: Simple DNA (deoxyribonucleic acid) Extraction.  This is one of my favorite labs/activities that I do with my Biology I students. It doesn't take long to do, it uses very simple, household materials, and it works every time! There is no number crunching or data analysis, but just a fun activity that your students will really enjoy.

Free Biology Lab: Simple DNA (deoxyribonucleic acid) Extraction. This is one of my favorite labs/activities that I do with my Biology I students. It doesn't take long to do, it uses very simple, household materials, and it works every time! There is no number crunching or data analysis, but just a fun activity that your students will really enjoy.

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DNA Replication Lab Freebie

DNA Replication Lab Freebie

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Blog post from Science Stuff: "Make Science Fun Again!"  As teachers, we are forced to think about nothing but standardized test scores.  We sometimes forget about the JOY of science!

Blog post from Science Stuff: "Make Science Fun Again!" As teachers, we are forced to think about nothing but standardized test scores. We sometimes forget about the JOY of science!

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A fun lab that combines punnett squares, pedigrees, and blood typing!

A fun lab that combines punnett squares, pedigrees, and blood typing!

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You’ve probably learned or heard about DNA, but have you ever seen it? With the Strawberry DNA experiment, you’ll extract, isolate, and observe the DNA of a strawberry in a matter of minutes.

You’ve probably learned or heard about DNA, but have you ever seen it? With the Strawberry DNA experiment, you’ll extract, isolate, and observe the DNA of a strawberry in a matter of minutes.

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