1. Which characteristics have been selected and why? There’s 4 reasons
Selectively bred wheat plants.

2. Learning Objectives B
Evaluate the evidence that selective breeding (artificial selection) can be used to:
– improve the quality of milk from cattle
– increase the number of offspring in sheep
– increase the yield from dwarf wheat
B2 2.16
Discuss the ethics and health concerns of using growth factors to enhance performance in sport

4. Paired discussion
Discuss the following in pairs then write a sentence for each point in your books.
What was the first domestic cow was used for?
The farmers bred their cows to develop which characteristics?
What was the first domestic sheep used for?
How many offspring do sheep have?
What characteristics have been developed in sheep?

5. Explain artificial selection.
RULES:
You cannot use these words or variations of:
Gene
Select
Characteristic
Breed
Trait
Your explanations will be assessed & marked in this lesson

6. Peer assessment
Hand your book with the explanation to someone who sits elsewhere in the room.
Look at the explanation they have written and mark it.
Does it explain artificial selection?
Would a year 8 pupil understand?
Is it better or worse than yours? Why?

9. Learning objectives
B2 2.17
Describe the stages in the production of cloned mammals, including Dolly the sheep.
B2 2.14
Discuss why regeneration in animals is relatively rare.
(Spiders, worms, reptiles, sea stars).

10. Continuum line How well do you remember the process of cloning?
Could you explain the stages of making a clone like Dolly the sheep:
Easily and completely
With some errors
To communicate the general gist
Not without referring to a book

12. Regeneration What is it and how does it happen?
Further reading at