Mutations Quiz

What is a mutation in an organism's nucleic acids called?

• Organism mutation

• Cell mutation

• Chromosomal mutation

• Gene mutation

Which type of mutation involves the insertion or deletion of a nucleotide in a DNA sequence?

• Point mutation

• Duplication mutation

• Frame shift mutation

• Substitution mutation

What is the result of a frame shift mutation in a DNA sequence?

• Changes the reading frame by one nucleotide

• Causes the sequence to reverse

• Shifts the entire sequence by one or more nucleotides

• No change in the sequence

Which of the following is an example of a missense mutation?

• AAG to CAG

• AAG to GAG

• UAC to UAA

• AAG to AAA

What is the result of a nonsense mutation in a DNA sequence?

• Changes the reading frame

• Causes the sequence to reverse

• Results in a premature stop codon

• No change in the sequence

What is a silent mutation?

• A mutation that has no effect

• A mutation that changes the reading frame

• A mutation that causes a premature stop codon

• A mutation that reverses the sequence

What are some factors that cause mutations?

• All of the above

• Mitosis

• Protein synthesis

• Replication errors

Which of the following is a mutagen?

• Carbon dioxide

• Water

• UV rays from the sun

• Oxygen

What is the purpose of DNA polymerase in relation to mutations?

• To ignore mutations

• To replicate mutations

• To repair mutations

• To cause mutations

What is the impact of some mutations on organisms?

• Helpful

• All of the above

• No effect

• Harmful