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WorksheetsMrs Browne CB4 - Selective Breeding Vs GMO (10_triple_F)
Total questions: 10
Worksheet time: 30mins
Complete the sentence.
Selective breeding is when humans ______
let animals choose who they want to breed with.
choose animals or plants to breed together.
change the DNA of an animal by adding DNA from other animal.
Organisms (animals and plants) are selectively bred to develop useful features. Select all the features you think would be useful if you bred cows. (2 answers)
Lots of milk
More meat
Shorter legs
Less meat
Organisms (animals and plants) are selectively bred to develop useful features. Select all the features you think would be useful if you grew crops (plants)? (2 answers)
Bigger fruit
Less fruit
Smaller plants
Able to fight diseases
S (a) breeding is when humans choose which plants and animals to breed.
Selective breeding happened in stages.
1) Pick the useful feature you want in both parents and breed them
2) Pick the best off the offspring and breed them
3) Repeat the process over many generations.
Do you think selective breeding is fast or slow?
Very slow
Very fast
A farmer wants to breed goats to make more milk. Which order should the sentences be in?
A, C, B
A, B, C
B, C, A
C, A, B
Which stage happens next?
1) Pick parents showing the useful feature, like they have lots of meat.
What happens next?
Breed them
Eat them
Milk them
Breed two cows with less meat
Organisms (animals and plants) are selectively bred to develop useful features. Select all the features you think would be useful if you grew crops (plants)?
Able to fight off a disease
Less fruit
Smaller plants
Bigger fruit
Which of the following do you think are disadvantages of selective breeding? (2 answers)
It is a very slow process
Health problems in the animal
It is really quick
You can produce cows with more meat
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