Mutations in Coding Sequences of Structural Genes

Play an AI-generated podcast conversation about this lesson

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?

Nonsense mutation

Missense mutation

Frameshift mutation

Silent mutation (correct)

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?

Missense mutation Signup and view all the answers

What type of mutation is sickle-cell anemia an example of?

Missense mutation Signup and view all the answers

What is the term for a mutation that changes the wild-type genotype into a new variation?

Forward mutation Signup and view all the answers

What is a point mutation?

A change in a single base pair Signup and view all the answers

What is a transition in a point mutation?

A change of a pyrimidine to another pyrimidine Signup and view all the answers

What is a result of the addition or deletion of short sequences of DNA in a gene?

A frameshift mutation Signup and view all the answers

What type of mutation is a substitution of a single nucleotide that changes the amino acid sequence of a protein?

Missense mutation Signup and view all the answers

What type of mutation is a substitution of a single nucleotide that does not change the amino acid sequence of a protein?

Silent mutation Signup and view all the answers

What type of mutation is a substitution of a single nucleotide that results in a premature stop codon?

Nonsense mutation Signup and view all the answers

What type of mutation decreases the chances of survival?

Deleterious mutation Signup and view all the answers

Which type of mutation affects the phenotype only under a defined set of conditions?

Conditional mutation Signup and view all the answers

What is the term for a second mutation that affects the phenotypic expression of another mutation?

Suppressor mutation Signup and view all the answers

What type of mutation occurs when a mutation alters the sequence within a promoter?

Up promoter mutation Signup and view all the answers

What is the term for a mutation that is located in the same gene as the first mutation?

Intragenic mutation Signup and view all the answers

What is the term for a mutation that occurs in cells that give rise to gametes?

Germ-line mutation Signup and view all the answers

Mutations in Coding Sequences of Structural Genes

Podcast Beta

Questions and Answers

What type of mutation changes a normal codon to a termination codon?

Which type of mutation does not alter the amino acid sequence of the polypeptide?

What is the effect of a frameshift mutation on the amino acid sequence?

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 is the term for a mutation that changes the wild-type genotype into a new variation?

What is 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 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 results in a premature stop codon?

What type of mutation decreases the chances of survival?

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 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 occurs in cells that give rise to gametes?

More Quizzes Like This

Tipi di Danni al DNA e Effetti delle Mutazioni

Genetic Mutations in Cancer

FATTORI E MECCANISMI EVOLUTIVI

Upgrade to continue