Types of Variation

An example of discontinuous variation is...

• Eye colour
• Height
• Foot length
• Weight

An example of continuous variation is...

• Eye colour
• Blood type
• Rolling your tongue
• Height

Which of these are continuous variation?

• Shoe size
• Weight
• Eye colour
• Rolling tongue

Which of the following can be used to describe discontinuous variation?

• Neither nor
• Either or
• One of many
• Some of many

Which graph would you draw for discontinuous variation?

• Bar graph
• Line graph

Continuous variations are caused by 

• The environment
•  Lots of genes working together
• Both

Discontinuous variations are caused by...

• 1 or 2 genes 
• Lots of genes working together

Eye colour is...

• Continuous variation
• Discontinuous variation
• Neither
• Both

Weight is an example of...

• Continuous variation
• Discontinuous variation
• Neither 
• Both

Which of the following traits for the mānuka tree is discontinuous?

• Flower size
• Flower colour
• Trunk width
• Tree height