Variation

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

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

Eye Colour

Height Arrange yourselves in height order.

Ear Lobes

Finger Prints

Skin Colour

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

Inheritance heredity/heredity.htm heredity/heredity.htm EyeColour/EyeColour.htm EyeColour/EyeColour.htm

Genetics anddevelopment/genetics/ anddevelopment/genetics/

Crosses genetics/heredity/ genetics/heredity/