GCSE biology

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What does DNA stand for?
deoxyribose nucleic acid
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What is DNA?
DNA is made up of molecules which are large and complex. They carry the genetic code that determines the characteristics of a living thing.
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What is a gene?
A gene is a short section of DNA. Each gene codes for a specific protein by specifying the order in which amino acids must be joined together.
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What is a chromosome?
The cell’s nucleus contains chromosomes made from long DNA molecules.
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How many genes determines someones eye colour and shape of ear lobe?
This is controlled by one gene
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Card 2

Front

What is DNA?

Back

DNA is made up of molecules which are large and complex. They carry the genetic code that determines the characteristics of a living thing.

Card 3

Front

What is a gene?

Back

Preview of the front of card 3

Card 4

Front

What is a chromosome?

Back

Preview of the front of card 4

Card 5

Front

How many genes determines someones eye colour and shape of ear lobe?

Back

Preview of the front of card 5

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