Lesson 66 of 84 · Crosscutting Concepts
Simulation⭐ 30 XPMutations and Variation (Part 4)
Crosscutting Concepts.
🎯 Your mission
Play with the model. Break it. Understand it.
⚡ 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
Genetic variation within a population is essential for evolution. Variation comes from mutations, sexual reproduction, and gene flow between populations.
Key Words
- trait
- dominant
Steps
Review the background information on Crosscutting Concepts before starting.
Prepare a wet-mount slide of an onion skin and observe it under a microscope (or magnifying glass). Draw and label the cell wall, cell membrane, and nucleus.
Watch carefully for any changes and note the time.
Create a data table to organize your measurements.
Check Your Understanding
Question 1
1 of 3What does DNA stand for?
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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