Gene Mutations Quiz

What is a gene mutation?

• A change in the nucleotide sequence of DNA

• A change in the protein structure

• A change in the cell membrane

• A change in the organism's size

Which type of mutation can be passed on to offspring?

• Somatic mutation

• Germ line mutation

• Non-coding mutation

• Protein mutation

What can cause gene mutations during DNA replication?

• Proofreading errors

• Protein synthesis

• Cell division

• Photosynthesis

Which of the following is a physical mutagen?

• Reactive oxygen species

• X-rays

• Arsenic

• HPV

What is the effect of somatic mutations?

• They affect the whole organism

• They have no effect

• They cause local effects

• They change the organism's species

What is a silent mutation?

• A mutation that alters a single amino acid in the polypeptide chain

• A mutation that creates a premature STOP codon

• A mutation that does not alter the amino acid sequence

• A mutation that involves the addition of a nucleotide

Which type of mutation involves a change that alters the reading frame of the DNA code?

• Point mutation

• Frameshift mutation

• Block mutation

• Silent mutation

What occurs during a duplication block mutation?

• A portion of the chromosome is removed

• A chromosome segment is rearranged in reverse order

• Part of a chromosome is copied, resulting in duplicate sections

• A chromosome sequence is moved to a new location

What is the result of a nonsense mutation?

• A single amino acid is altered

• A premature STOP codon is created

• The reading frame of the DNA is altered

• A chromosome segment is duplicated

Which of the following is a type of block mutation?

• Missense mutation

• Inversion

• Silent mutation

• Base substitution