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Candy DNA Model for Edible Science

My son’s a sweet person… it must be in his DNA. Our yellow lab puppy digs holes… it must be in her DNA. After building our candy DNA model for our edible science series and having a simple conversation about DNA, my son’s little DNA jokes didn’t quit. DNA is fascinating and making it out of candy is just as fascinating according to my kid. The science you can eat too!

CANDY DNA MODEL FOR EDIBLE SCIENCE 

My son's a sweet person... it must be in his DNA. Our yellow lab puppy digs holes... it must be in her DNA. After building our candy DNA model for our edible science series and having a simple conversation about DNA, my son's little DNA jokes didn't quit. DNA is fascinating and making it out of candy is just as fascinating according to my kid. Science you can eat too!

DNA MODEL PROJECT

This year we are exploring edible science experiments. I’m not talking just about science using food (we have that too),  but I’m talking about science you can nibble on. There’s no better way into my son’s heart or brain than with food. Of course, it doesn’t hurt that he’s growing like a weed!

Building a candy DNA model with my 8-year-old son allowed us to explore and talk about the basic biology of living organisms such as ourselves.  DNA is a fairly advanced topic but there are some simple facts about DNA you can share with your (early) elementary school age kids. Read on to find out more about the science behind our DNA model project.

What materials can you use to make a DNA model? Soft candy that comes in 4 different colors to represent the structure of DNA and toothpicks is an easy way to make your own DNA model.

If you have some extra candy laying around or want to pick up a few bags for a group biology project, building a candy DNA model with the kids is a great hands-on science activity.

DNA STRUCTURE

Our bodies are made up of trillions of different cells. These cells contain hugely important molecules called DNA within the nucleus of the cell. The function of DNA is to essentially tell the cells what to do.

DNA sends information to our cells for proper function and is also what makes us unique to one another.

DNA stands for deoxyribonucleic acid and is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine, thymine, guanine and cytosine. The order of these bases is what determines the DNA’s instructions, or genetic code.

Each string of DNA carries a set of instructions called genes. The gene tells the cell how to make a specific protein. Proteins are used by the cell to perform certain functions, to grow, and to survive. These genes are also passed down to offspring.

DNA CANDY MODEL PROJECT

MATERIALS NEEDED:

  • Twizzlers (represent the backbone consisting of sugars and phosphates)
  • Toothpicks
  • Soft Candy (Something that comes in 4 colors but is all the same type of candy to represent the A, T, C, G nucleotides)
  • 4 cups to separate candies by color

WATCH THE VIDEO:

Candy supplies for making a DNA strand science you can eat

HOW TO MAKE A DOUBLE HELIX MODEL OF DNA

STEP 1. Start your candy DNA model by sorting the 4 colors of candy into separate bowls. Then you want to assign each one to a specific nucleotide. These 4 nucleotides along with the sugars and phosphates make up your double helix candy DNA model.

  • Adenine
  • Thymine
  • Cytosine
  • Guanine

REMEMBER: Adenine and Thymine are always paired together. Cytosine and Guanine are always paired together.

gumdrop nucleotides on twizzlers backbones for edible science and candy DNA model building

STEP 2. Now it’s time to start making up pairs for building your candy DNA model. Our DNA can not be seen with they eyes only high powered microscopes but DNA is long thin molecules.

You can extract DNA from strawberries for a neat, up close look at strawberry DNA.

Building candy DNA model with nucleotides

STEP 3. Now make your own unique strand of candy DNA and twist them into what is known as a double helix. The backbone (Twizzlers) of your candy DNA model is what gives the double helix a specific shape. They also hold together the A, T, C, G nucleotides.

There are endless combinations that can be made, but the same pairs of nucleotides must stick together.

Connecting nucleotides to backbone for candy DNA model

Click here for FREE Candy Science Activities

MORE FUN CANDY SCIENCE

You may still have a bunch of candy leftover depending on how many strands of candy DNA models you make. Challenge your kids to…

  • Build Gumdrop Structures
  • Dissolving Gumdrops Experiment
  • Make Gumdrop Bridge
  • Melting Gumdrops

GUMDROP CANDY DNA MODEL FOR EDIBLE SCIENCE

Click here for more awesome STEM activities for kids.

STEM projects for kids and STEM ideas to keep kids busy all year! Free printable STEM activities pack.

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  1. Max Einstein: The Genius Experiment says:
    November 20, 2019 at 6:02 am

    […] https://littlebinsforlittlehands.com/candy-dna-model-edible-science-activitiy/ […]

  2. Genetics Activities - Curiosity Untamed says:
    February 22, 2021 at 1:14 pm

    […] Little Bins, Little Hands has a great lesson plan for learning about DNA and creating an edible double helix. […]

  3. Peeps Science Experiments and Activities for Kids | Little Bins for Little Hands says:
    March 22, 2021 at 11:48 am

    […] DNA CANDY MODEL […]

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