Understanding Genetic Mutations

What is a mutation?

• A change in an organism's physical appearance.

• A change in an organism's genetic material.

• A change in an organism's behavior.

• A change in an organism's diet.

Which statement best describes how mutations occur?

• Organisms can choose to mutate to gain helpful traits.

• Mutations are always harmful to an organism.

• Mutations are random events that an organism cannot control.

• Mutations only happen due to external factors like radiation.

Which of the following is NOT a type of gene mutation?

• Substitution

• Insertion

• Deletion

• Translocation

What is the main effect of the mutation that causes Sickle Cell Anemia?

• It causes red blood cells to become rounder.

• It makes red blood cells unable to carry oxygen.

• It changes the shape of red blood cells, making them less efficient at carrying oxygen.

• It makes individuals immune to all diseases.