B2 5.6: Inherited conditions.

All information was taken directly from the AQA revision guide with only the key points from B2 5.6.

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What is a genetic disorder?
A disease that is inherited.
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What is polydactly caused by?
One dominant gene.
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Why is it bad to have a disease on a dominant allele?
As you only need one to get the disease.
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Why is it good to have a disease on a recessive allele?
As you need two recessive alleles to get the disease.
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What is cystic fibrosis caused by?
A recessive allele.
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What is it called when a parent passes on a recessive allele with a disease on?
They are a carrier of the allele.
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What can we use to see how the disorder has been inherited?
Using a genetic diagrams.
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Other cards in this set

Card 2

Front

What is polydactly caused by?

Back

One dominant gene.

Card 3

Front

Why is it bad to have a disease on a dominant allele?

Back

Preview of the front of card 3

Card 4

Front

Why is it good to have a disease on a recessive allele?

Back

Preview of the front of card 4

Card 5

Front

What is cystic fibrosis caused by?

Back

Preview of the front of card 5
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