Topic 8A- Mutation and Gene expressions

Created by: DonaJ2002
Created on: 21-01-20 10:36

Define + Explain Mutation

Change in DNA base sequence because of errors in DNA replication, this therefore change the amino acid sequence in polypeptide so, a different 3D structure of the protein is formed therefore, it won't function properly (e.g.enzyme active site change)

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What increases the rate of mutation and give examples

Mutagenic agents increase the rate of mutation- 1. UV 2. Ionising radiation 3. Chemicals 4. Some viruses

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Explain the ways mutagenic agents can increase the rate of mutation.

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What can mutations cause?

1. Herrditary mutations can cause genetic disorders due to inheriting abnormal genes/chromosomes. 1. Mutations can also increase the chance of cancer

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Explain what hereditary mutations are

Gametes with mutations are fertilised so the mutations is passed on to offspring.

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Other cards in this set

Card 2

Front

What increases the rate of mutation and give examples

Back

Mutagenic agents increase the rate of mutation- 1. UV 2. Ionising radiation 3. Chemicals 4. Some viruses

Card 3

Front

Explain the ways mutagenic agents can increase the rate of mutation.

Back

Card 4

Front

What can mutations cause?

Back

Card 5

Front

Explain what hereditary mutations are

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Topic 8A- Mutation and Gene expressions