IB Biology Topic D1.2.11: Mutations That Change Protein Structure Notes

Gene mutations come in three types defined by how the bases change

Substitution replaces one base with another base.

A substitution is a type of point mutation, which is a change at a single base position.

Insertion adds one or more bases to the sequence.

Deletion removes one or more bases from the sequence.

Note

Substitutions are the most common type of gene mutation.
They are point mutations because they affect a single base pair.

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IB Biology Topic D1.2.11: Mutations That Change Protein Structure Notes

IB Biology Topic D1.2.11: Mutations That Change Protein Structure Notes

A mutation changes protein structure only when it alters the amino acid sequence a gene encodes

Gene mutations come in three types defined by how the bases change

The effect on the protein depends on how the mutation changes the codons read

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A mutation changes protein structure only when it alters the amino acid sequence a gene encodes

Gene mutations come in three types defined by how the bases change

The effect on the protein depends on how the mutation changes the codons read

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Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

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IB Biology Topic D1.2.11: Mutations That Change Protein Structure Notes

A - Unity and Diversity9 subtopics

B - Form and Function10 subtopics

C - Interaction and Interdependence9 subtopics

D - Continuity and Change12 subtopics

IB Biology Topic D1.2.11: Mutations That Change Protein Structure Notes

A - Unity and Diversity9 subtopics

B - Form and Function10 subtopics

C - Interaction and Interdependence9 subtopics

D - Continuity and Change12 subtopics

A mutation changes protein structure only when it alters the amino acid sequence a gene encodes

Gene mutations come in three types defined by how the bases change

The effect on the protein depends on how the mutation changes the codons read

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

Unlock the rest of this chapter with a free account

A mutation changes protein structure only when it alters the amino acid sequence a gene encodes

Gene mutations come in three types defined by how the bases change

The effect on the protein depends on how the mutation changes the codons read

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

Unlock the rest of this chapter with a free account