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Answered 2012-01-05 02:22:38

A frameshift mutation.

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A mutation in which a single base is added or deleted from DNA is called?

translocation .. this is wrong.its a point mutation :)


2 Describe how point mutation and frameshift mutation affect the synthesis of proteins?

A point mutation is a change in a single base pair in DNA. A change in a single nitrogenous base can change the entire structure of a protein because a change in a single amino acid can affect the shape of the protein. A frameshift mutation is a mutation in which a single base is added or deleted from DNA. A single base is lost from a DNA strand which causes this new sequence with the deleted base, to be transcribed into mRNA. Then, the mRNA is out of position by one base. As a result, every codonafter the deleted base is different. This mutation causes nearly every amino acid in the protein after the deletion to be changed.


What is it when a base is added or deleted in a DNA?

When a base pair is added or deleted in a DNA sequence it's called an insertion or a deletion, which causes a frameshift mutation.


What mutation occurs when a single base is added or deleted from DNA?

A cancerous mutation occurs, which can add up to tumors and other health problems. In Genetics it's called Translocation.


What two types of gene mutations?

The two types of single gene mutations are point mutation, where a single point in the DNA sequence is affected, and FRAMESHIFT MUTATION, where a single gene or nitrogen base is deleted or added from the mRNA (messenger RNA) sequence causing a shift in the "reading frame" of the genetic message.Written by: Jeffrey UtterImportant resource: Ann Mayhew


What might happen if there were an extra nitrogen base deleted from the mRNA code?

Mutation would occur in the cell if there was an extra nitrogen base deleted from the mRNA code.


Which type of mutation affects the largest number of genes?

According to the National Human Genome Institute, most all disease have some sort of genetic factor. These disorders can be caused by a mutation in a single gene, multiple gene mutations, combined gene mutation and environmental factors, or by chromosome mutation or damage.Mutations can occur in which nucleotide base pairs are inserted into or deleted from the original gene sequence.This type of gene mutation is dangerous because it alters the template from which amino acids are read. Insertions and deletions can cause frame shift mutations when base pairs that are not a multiple of three are added to or deleted from the sequence. This type is affects the largest number of genes.


How would the protein change if a mutation caused a base to be added?

A mutation in which an extra nitrogen base is added is called a frameshift mutation. The rest of the sequence after the mutation will code for different amino acids, which will result in the alteration of the protein. Frameshift mutations cause severe genetic disorders.


What is the change in a point mutation?

A single base pair in DNA.


A point mutation is a change in?

A single base pair in DNA.


Two major types of mutation?

One type of mutation is called a point mutation, in which one nitrogen base in a sequence is substituted for another. Another type of mutation is a frameshift mutation, in which a nitrogen base is added or removed from a sequence of nitrogen bases.


A single gene mutation results from?

a change in base sequence in DNA


How can point mutation be a nonsense mutation?

A point mutation is single change in a base of a sequence of DNA. This change can be a missense mutation where a different amino acid is transcribed due to the change in a base. However if a change in base results in a stop codon (nonsense mutation) then the sequence ends up being cut short.


What type of mutation is a point mutation?

A point mutation is when 1 base pair is swapped out for another one... so instead of an A you might find a C... or T... or G. Also an insertion or deletion of a base pair A mutation of a single point :)



Mutations that occur at one single nitrogen base are referred to as?

Mutations that occur at one single nitrogen base are referred to as a point mutation.



What type of mutation occurs when a base is added in?

This is called an insertion mutation.Some repeats, such as the repeats in the Huntington's gene, can be repeated too many times and then you have the deleterious mutation in this gene.


What is ment by genetic mutation?

Genetic mutation is when the base pairs of DNA are changed. There are three basic types of mutation; deletion, addition, and substitution. Deletion is when a base pair is removed from the strand of DNA. Addition is when an extra base pair is added to the strand of DNA. And substitution is when a base pair is traded out with a different base pair.


When is a single base substitution mutation least likely to be deleterious?

when the single base change results in a codon that specifies the same amino acid as the original codon


True or false a point mutation is the failure of a chromosome pair to separate during mitosis?

false, point mutation is the change in any single base within DNA at a given time.it occurs only once during a single mutation


What is insertion?

Insertion is a genetic mutation when an extra base is added to the DNA before or during replication


Which type of mutation will probably have a larger effect a point mutation or a frameshift mutation?

Both types of mutation have the potential to cause a large effect.In general, a frameshift mutation is more likely to cause a large effect. This is because it shifts the 'reading frame' - so that all of the subsequent codons (groupings of 3 bases that are read to determine which amino acid will be added) will be changed.A point mutation is when a single base is replaced. This can either result in the same amino acid being added to the protein being synthesised (a silent mutation), a different amino acid being added (a missense mutation) or in a STOP codon (a nonsense mutation).If a point mutation causes a premature STOP codon - this is quite likely to have a large effect on the protein.



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