Understanding Mutations: A Genetic Exploration

What can be considered a mutation?

• A change in an organism's physical appearance only

• A change within a nucleic acid

• A deliberate alteration by the organism

• A change in the organism's environment

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

• Substitution

• Insertion

• Deletion

• Silent mutation

What is a frameshift mutation?

• A mutation that duplicates a segment of DNA

• A mutation that removes a base, altering the reading frame

• A mutation that changes one base for another

• A mutation that does not affect the organism

How can a mutation be passed to offspring in fruit flies?

• Mutations cannot be passed to offspring

• If the mutation is in the sperm or egg cell

• Through environmental changes

• Through asexual reproduction only

What advantage do carriers of one sickle cell gene mutation have?

• Immunity to all genetic disorders

• Increased physical strength

• No advantage at all

• Protection against malaria