What is Inheritance?

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A diagram showing how children inherit blood type from their parents.

Inheritance is why you look similar to you mum or dad. People’s bodies have characteristics, like the shape of their nose or the colour of their eyes, and parents pass on these characteristics to their children, this is inheritance.

We are made of cells like a building is made of bricks. Our cells are told what to do by DNA. DNA is the boss and tells the cells how to make a human body. All of us are made up of DNA from both our mum and dads so we inherit orders on how to build a body from both of them that is why we have characteristics from both our parents.

People look like people. Every person is unique but they have far more in common than they are different. This is because we are all related and we have all inherited characteristics from our ancestors.

We share an ancestor with a monkey but that ancestor lived a very long time ago so we look more different from monkeys. Even so, people and monkeys still have a lot in common. We both have two legs, two eyes, two hands and many other things. generally, the closer related we are to another species, the more like them we look.

Watch this video to find out more about DNA, the molecule which we inherit from our parents

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