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Base-pair deletion
A base-pair deletion

// An error in the repair of damaged DNA

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8y ago
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The location of an airport.

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10y ago

a base deletion near the start of a gene

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Q: What small-scale mutation would be most likely to have a catastrophic effect on the functioning of a protein?
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As a result of the incorrect sequence of amino acids will be translated into a protein-resulting in a mutation?

Missence mutation


When when a mutation results in no significant change in the production of a of a functional protein?

When a mutation does not change the result of a normal production of a protein is called harmless. This is because it does no harm to the individual.


Is information lost during a deletion mutation?

Yes. The genetic code after the deletion is essentially nonsense when it comes to building the protein. The amino acid sequence after the deletion will be completely altered, resulting in a poorly functioning or completely nonfunctioning protein, depending on where the deletion occurs.


Why does an insertion mutation usually cause defects during protein synthesis than a point mutation?

Insertion mutations can affect many amino acids in the protein.An insertion mutation usually causes more defects during protein synthesis than point mutation because an insertion mutation will affect many amino acids in the protein.


What happens to the repressor protein when it's not functioning?

When the repressor protein in not functioning then the gene that that protein was blocking will be "turned on". BTW its not right to cheat, even on study guides ;)


What is a mutation called that has no effect on an organism?

A point mutation, in which one nitrogen base in a codon is substituted for another, may have no effect on an organism. This is true if the base substitution does not change the amino acid that the codon represents, or if the mutation occurs in a non-critical location in the protein so that the protein's structure is not changed significantly and the protein is still able to function.


Can a mutation cause a protein to be overexpressed?

Yes


Which type of mutation causes the most change to the protein produced?

A silent mutation


Which kind of mutation is most likely to produce a protein with one extra amino acid?

A frameshift mutation


Which type of mutation resukts in the formation of a protein with one incorrect amino acid?

missense mutation


Why does an insertion mutation usually cause more defects in protein synthesis than a point mutation?

Insertion mutations can affect many amino acids in the protein.An insertion mutation usually causes more defects during protein synthesis than point mutation because an insertion mutation will affect many amino acids in the protein.


What impact could a point mutation do?

A point mutation could have no impact or it could be lethal. It depends on whether the mutation changes the amino acid sequence of a protein, or if it changes the amino acid at a critical location in the protein.