1. Variation

2. What is variation? Members of the same species can look different. What are some differences between humans?

3. Variation CharacteristicIndividual Result Eye colour Natural hair colour Height Shoe size Right or Left handed Tongue roller or non-roller Attached or free ear lobes Dimples Freckles Sex Skin Colour

4. Eye Colour

5. Height Arrange yourselves in height order.

6. Ear Lobes

7. Finger Prints

8. Skin Colour

9. Continuous and Discontinuous Variation A wide range of values between two extremes e.g. height There are distinct groups with no values in between e.g. eye colour

10. Inheritance http://subscription.echalk.co.uk/Science/biology/ heredity/heredity.htm http://subscription.echalk.co.uk/Science/biology/ heredity/heredity.htm http://subscription.echalk.co.uk/Science/biology/ EyeColour/EyeColour.htm http://subscription.echalk.co.uk/Science/biology/ EyeColour/EyeColour.htm

11. Genetics http://www.brainpop.com/health/geneticsgrowth anddevelopment/genetics/ http://www.brainpop.com/health/geneticsgrowth anddevelopment/genetics/

12. Crosses http://www.brainpop.com/science/cellularlifeand genetics/heredity/ http://www.brainpop.com/science/cellularlifeand genetics/heredity/