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Standard Grade Biology Inheritance Topic Selective Breeding.

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Presentation on theme: "Standard Grade Biology Inheritance Topic Selective Breeding."— Presentation transcript:

1 Standard Grade Biology Inheritance Topic Selective Breeding

2 2 Inheritance By the end of this lesson you should be able to: Describe what selective breeding is. Explain why selective breeding is useful to humans Describe one example in plants & one in animals

3 3 Selective Breeding Farmers are always trying to improve their livestock or crops. Dairy farmers want to have a herd of cows that produce large quantities of milk

4 4 Selective Breeding Which two cows will the farmer choose to be the parents, if he wants a calf that produces high quality milk?

5 5 Selective Breeding Beef farmers want to breed cattle that are heavy. This should mean that there is as much meat as possible for sale.

6 6 Selective Breeding The beef farmer would also have to consider the quality of the meat.

7 7 Selective Breeding What quality would be important to sheep farmers?

8 8 Selective Breeding What quality would be important to farmers of cereal crops?

9 9 Selective Breeding All domestic dogs are bred from wild dogs.

10 10 Selective Breeding What qualities would the parent dogs have to produce a husky?

11 11 Selective Breeding What qualities would the parent dogs have to produce a poodle?

12 12 Selective Breeding What is the original parent of all these plants?

13 13 Selective Breeding In your jotter write down what selective breeding is. Describe an example of selective breeding in Animals Plants

14 14 Inheritance Ask your teacher for the Oil Content in Maize Problem Solving Sheet. Answer Q1-5 in your jotter.

15 15 Inheritance Can you do it? Describe what selective breeding is. Explain why selective breeding is useful to humans Describe one example in plants & one in animals


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