Science at key stage 3 (Year 9)

Unit 9A: Inheritance and selection

Prior learning

It is helpful if pupils know that:

individuals of a species show characteristics which may be environmentally determined or inherited
sexual reproduction involves the fusion of a male and female cell

Sections in this unit

This unit is divided into sections. Each section contains a sequence of activities with related objectives and outcomes. You can view this unit by moving through the sections or print/download the whole unit.


	1. What characteristics can be inherited?
	2. Why are offspring of the same parents similar but not identical?
	3. a. How do differences between offspring with the same parents compare with differences between offspring of different parents?
	4. b. How do differences between offspring with the same parents compare with differences between offspring of different parents?
	5. How are new breeds of animal produced?
	6. Checking progress
	7. Why do farmers produce new breeds of animals?
	8. a. How are new varieties of plant produced?
	9. b. How are new varieties of plant produced?
	10. Are varieties produced by selective breeding different from each other?
	11. What is a clone?
	12. Reviewing work