Nonsense Mutation — Definition & Examples
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- What Are Nonsense Mutations? This is another type of point mutation where a base pair change codes for a premature stop codon. These mutations result in a protein that is far to…
By Samantha Broders, Gabi Slizewska, Deena Hauze, Mario Janakis
- (Video) Nonsense Mutation by Shomu's Biology If a mutation in the genetic code causes the ribosome to stop translating the mRNA sequence before it's supposed to, it is called a …
By Aaron Lauer, Alex Federspiel, Gabi Slizewska, Mario Janakis
- Definition of Nonsense Mutation A nonsense mutation happens when a stop codon (or nonsense codon) is created in the wrong location. A trick to remember this is the phrase "Stop …
By Deena Hauze, Alex Federspiel, Gabi Slizewska, Mario Janakis
Problems 20
- Which of the following changes in mRNA sequence would result in a nonsense mutation?
- Dwarf dogs, like the corgi, are short due to a single nucleotide mutation on their 17th chromosome. The single nucleotide change is a nonsense mutation. Which of the following s…
- Look at the sentence One dog ate pig. Which of the following is a nonsense mutation of this sentence?
- What is the likely effect of a nonsense mutation on a protein?
- Fill in the blank: A nonsense mutation is most likely to be the result of a mutation?
- Which of the following describes a nonsense mutation?
- A point mutation changes the codon for the amino acid tyrosine into a stop codon. What kind of mutation is this?
- What kind of mutation creates a premature stop codon?
- Which of the following is a substitution mutation? Select any that apply.
- Cystic fibrosis is a genetic disorder often caused when translation stops earlier than it should, creating a shorter polypeptide chain. The resulting protein most likely doesn't…
- Fill in the blank: A nonsense mutation results in 000‾\underline{\phantom{000}}000.
- The picture above shows a DNA sequence for a specific gene. In which location would a nonsense mutation cause the most damage?
- In codon GAU, which base needs to be changed in order for a nonsense mutation to occur?
- In a particular sequence, a single base change created a nonsense mutation in the codon which would normally correspond to Gly. Which of the following was the original codon bef…
- The first base of a codon was changed, resulting in a nonsense mutation. Based on the table above, which of the following could have been the amino acid that the original codon …
- In which of the following codons is a single base change nonsense mutation not possible?
- Which of the following mutations can change the length of a polypeptide sequence? Select any that apply.
- A DNA sequence codes for the amino acid chain Thr-Glu-Val-Cys-Leu-Ile. After the sequence is mutated, it codes for Thr-Glu-Val-Cys. Which of the following mutations could this b…
- Which of the following codons is most likely to have a nonsense mutation as a result of a single base change?
- The amino acid chain is: The big fat cat. Which of the following looks most like a nonsense mutation?