04. In the family
What makes you different from other people?
Image: centre for disease control
Your characteristics can be affected by two factors; inheritance and environment.
Inherited characteristics are ones that are passed on in your genes from your parents.
Environmental characteristics are ones that are caused by your environment.
Take a selfie using your laptop computer, on the selfie label 4 characteristics that are genetic and two that are environmental. This website can help - bbc bitesize variation and classification.
Inheritance diagrams - these shows how people are related to each other and what characteristics they have inherited from their parents.
Image: Greenwood Genetics Centre