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What is the frameshift mutation?

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Anonymous

13y ago
Updated: 2/5/2023

In mature mRNA, there is a start codon (AUG) that instructs ribosome to begin translation. Thereafter, every 3 bases are read as a "code word" calling for a particular amino acid to enlogate the polypeptide chain or to STOP and release the polypeptide. If 1 or 2 nucleotides are deleted or inserted into this sequence, it causes the reading frame to shift. This usually results in misreading of the sequence here is an example:

AUG - AGC - ACC - TAA - GGG - etc. (if we delete the first C we get....)

AUG - AGA - CCT - AAG - GG ( this is obviously not going to code for the same amino acid sequence)

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Tiara Lebsack

Lvl 13
3y ago

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During DNA replication an extra cytosine base is added to the DNA what type of mutation is this?

A frameshift mutation


What types of mutation results when bases are added to a gene?

Frameshift


A mutation that causes antibiotic resistance in bacteria is a what mutation?

Missense mutation Nonsense mutation Frameshift insertion Frameshift deletion All may cause antibiotic resistance in bacteria


Can a point mutation result in a frameshift mutation?

Yes, a point mutation can result in a frameshift mutation if it occurs in a coding region of a gene and disrupts the reading frame of the genetic code.


Which is not a frameshift mutation substitution insertion deletion or point mutation?

A point mutation is not a frameshift mutation. Point mutations involve changes in a single nucleotide base, while frameshift mutations involve the insertion or deletion of nucleotide bases, causing a shift in the reading frame of the genetic code.


What is the type of mutation that causes crohn's disease?

A frameshift mutation in the CARD15 gene


When a extra base is added to an organism DNA the mutation is known as a?

frameshift mutation.


What mutation can change every amino acid that follows the point of mutation?

A frameshift mutation, where an insertion or deletion of nucleotides causes a shift in the reading frame of the genetic code, can change every amino acid that follows the point of mutation. This can have dramatic effects on the resulting protein's structure and function.


What are the types of mutations that can occur?

nonsense mutation, missense mutation, frameshift muation, deletion or addition mutation


Which mutation results in a single missing letter in the genetic code?

frameshift mutation: deletion


The removal of a nucleotide from a gene in the DNA leads to a?

frameshift mutation, which alters the reading frame of the gene. This can result in a nonfunctional or altered protein being produced.


who wants to write an example of a frameshift mutation using the following sentence: THE CAT SAW THE RAT. Which sentence best shows a frameshift mutation?

A. THC ATS AWT HER AT.