Lesson 52 of 84 ยท Genetics
Lessonโญ 30 XPSelective Breeding (Part 3)
Selective Breeding (Part 3).
๐ฏ Your mission
Master the concept. Use it tomorrow.
โก The twist
Nature loves to surprise the careful watcher.
Mind = Blown
๐ฌ 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
Selective breeding is when humans choose organisms with desired traits to reproduce. Dog breeds, crop varieties, and livestock have been developed through thousands of years of selective breeding.
Key Words
- evolution
- adaptation
- fossil record
Steps
Review the background information on Genetics before starting.
Create a Punnett square to predict the offspring of two parents. Use a trait like eye color or seed shape. Calculate the probability of each outcome.
Note any unexpected results and think about why they happened.
Share your findings with the class or a partner and discuss what you learned.
Check Your Understanding
Question 1
1 of 3What is a mutation?
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 โ even a tiny one.
For the dinner table
โWhat's the most surprising thing you learned today?โ
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.
Checkout complete lesson on Genetics for 8th Grade
Get the full Genetics track as a printable PDF โ all lessons, worksheets, and answer keys.
