
Genetic Technologies Activating Prior Knowledge
Presentation
•
Biology
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6th - 8th Grade
•
Practice Problem
•
Easy
+4
Standards-aligned
Ashley Oland
Used 36+ times
FREE Resource
2 Slides • 5 Questions
1
Genetic Technologies: Activating Prior Knowledge
2
Poll
Many organisms that exist today only exist because of human interference.
true
false
not sure
3
Poll
How long have humans been interfering with natural selection, to create ideal plants and animals?
Only in the last 40 years, since human genomes were mapped.
Since the Industrial Revolution in the late 19th century.
For many centuries, even before electricity.
4
Open Ended
Why would a farmer want seeds that have been genetically modified?
5
Poll
If you see this on a food product, would you still buy it?
yes
no
not sure
6
Open Ended
Cows don't exist in the wild because they were bred by humans thousands of years ago. What characteristics of a cow might they have bred for?
7
Summary
Countless numbers of plants and animals that exist today were bred by humans, including broccoli, cows, and most dog breeds.
Humans have been breeding plants and animals to suit their needs for at least 10,000 years.
A farmer may want to use genetically modified seeds because their crop will be bigger, stronger, grow faster, be resistant to drought or bugs, or other reasons.
If foods are genetically modified, they are required to say so on the label. Many foods include a label if there are no genetically modified ingredients.
Cows were bred to to have better meat, milk, hides, and bones.
Genetic Technologies: Activating Prior Knowledge
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