Mutations

What is a mutation?

• A change in an organism's physical appearance.

• A change in genetic material, specifically within a nucleic acid.

• A beneficial adaptation acquired during an organism's lifetime.

• A process where an organism intentionally alters its DNA.

What are the two main categories of factors that can increase the likelihood of mutations?

• Environmental and behavioral factors.

• External and internal factors.

• Genetic and epigenetic factors.

• Random and intentional factors.

Why are insertions and deletions considered particularly dangerous gene mutations?

• They always result in beneficial traits.

• They only affect a single amino acid.

• They can shift the reading frame, affecting all subsequent codons.

• They are easily corrected by the cell's repair mechanisms.

Individuals who are carriers for Sickle Cell Anemia often have a protective factor against which disease?

• Cancer

• Malaria

• Diabetes

• Heart disease