Edexcel IGCSE Biology · Spec 3.34-3.35B
From Mutation to Protein and Phenotype
Covers explain when a mutation can be inherited, Trace the effect of a mutation from DNA to phenotype and Recognise why some mutations have no observable effect.
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From Mutation to Protein and Phenotype
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Spec 3.34-3.35B
What you need to know
- Explain when a mutation can be inherited
- Trace the effect of a mutation from DNA to phenotype
- Recognise why some mutations have no observable effect
Active recall
Quick check
Answer each question before opening the answer.
Which type of cell mutation can be inherited?
A mutation in a cell that forms gametes
How can a DNA mutation alter protein shape?
It can change a codon and amino acid sequence, changing protein folding
Why might a base substitution have no effect on amino acid sequence?
More than one codon can code for the same amino acid
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