Podcast
Questions and Answers
What type of mutation changes a normal codon to a termination codon?
What type of mutation changes a normal codon to a termination codon?
- Frameshift mutation
- Missense mutation
- Silent mutation
- Nonsense mutation (correct)
Which type of mutation does not alter the amino acid sequence of the polypeptide?
Which type of mutation does not alter the amino acid sequence of the polypeptide?
- Nonsense mutation
- Missense mutation
- Frameshift mutation
- Silent mutation (correct)
What is the effect of a frameshift mutation on the amino acid sequence?
What is the effect of a frameshift mutation on the amino acid sequence?
- It changes a single amino acid
- It has no effect on the amino acid sequence
- It produces a completely different amino acid sequence (correct)
- It results in premature termination
Which type of mutation results in a different amino acid being incorporated into a polypeptide?
Which type of mutation results in a different amino acid being incorporated into a polypeptide?
What type of mutation is sickle-cell anemia an example of?
What type of mutation is sickle-cell anemia an example of?
What is the term for a mutation that changes the wild-type genotype into a new variation?
What is the term for a mutation that changes the wild-type genotype into a new variation?
What is a point mutation?
What is a point mutation?
What is a transition in a point mutation?
What is a transition in a point mutation?
What is a result of the addition or deletion of short sequences of DNA in a gene?
What is a result of the addition or deletion of short sequences of DNA in a gene?
What type of mutation is a substitution of a single nucleotide that changes the amino acid sequence of a protein?
What type of mutation is a substitution of a single nucleotide that changes the amino acid sequence of a protein?
What type of mutation is a substitution of a single nucleotide that does not change the amino acid sequence of a protein?
What type of mutation is a substitution of a single nucleotide that does not change the amino acid sequence of a protein?
What type of mutation is a substitution of a single nucleotide that results in a premature stop codon?
What type of mutation is a substitution of a single nucleotide that results in a premature stop codon?
What type of mutation decreases the chances of survival?
What type of mutation decreases the chances of survival?
Which type of mutation affects the phenotype only under a defined set of conditions?
Which type of mutation affects the phenotype only under a defined set of conditions?
What is the term for a second mutation that affects the phenotypic expression of another mutation?
What is the term for a second mutation that affects the phenotypic expression of another mutation?
What type of mutation occurs when a mutation alters the sequence within a promoter?
What type of mutation occurs when a mutation alters the sequence within a promoter?
What is the term for a mutation that is located in the same gene as the first mutation?
What is the term for a mutation that is located in the same gene as the first mutation?
What is the term for a mutation that occurs in cells that give rise to gametes?
What is the term for a mutation that occurs in cells that give rise to gametes?
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