Lesson 72 of 84 · Heredity
Experiment⭐ 30 XPGenetic Variation in Populations (Part 4)
Genetic Variation in Populations (Part 4).
🎯 Your mission
Set it up. Test it. Be amazed.
⚡ The twist
Nature loves to surprise the careful watcher.
Mind = Blown
🔬 The more you look, the more nature shows you.
Make a hypothesis first
Before you start: write down what you think will happen, and why.
What You'll Learn
DNA (deoxyribonucleic acid) carries the genetic instructions for building and maintaining an organism. It is shaped like a twisted ladder called a double helix.
Key Words
- adaptation
- fossil record
- species
Materials Needed
- slides
- onion skin
- iodine stain
- paper
- colored pencils
- coins (for Punnett squares)
Safety First
- Protect your work surface with newspaper or plastic.
- Adult supervision recommended.
- Do not taste any materials.
Steps
Study the diagram and label the parts you recognize.
Compare and contrast prokaryotic and eukaryotic cells. Create a Venn diagram showing their similarities and differences.
Observe what happens and describe it in detail.
Record your observations in your science journal with measurements and descriptions.
Check Your Understanding
Question 1
1 of 3What is the shape of DNA?
Where you see this in real life
This shows up in your everyday life more than you'd think.
Stretch Challenge
Try this in real life this week.
Try one experiment in real life this week — even a tiny one.
For the dinner table
“What's the most surprising thing you learned today?”
Next Smart Experiment
We'll pick an experiment that matches exactly how you're thinking right now.
Share this experiment
Send it to a parent who's looking for a 10-minute kitchen science win.
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