Mutations and Point Mutations

What is a mutation?

• A change in the DNA sequence

• A type of cell division

• A process of protein synthesis

• A method of genetic engineering

Tags

NGSS.HS-LS3-2

Which of the following is a type of mutation?

• Transcription

• Translation

• Insertion

• Replication

Tags

NGSS.HS-LS3-2

What is a point mutation?

• A mutation that affects multiple genes

• A mutation that changes a single nucleotide base

• A mutation that deletes a chromosome

• A mutation that duplicates a gene

Tags

NGSS.HS-LS3-2

Which of the following can cause mutations?

• Exposure to UV radiation

• Drinking water

• Eating fruits

• Breathing oxygen

Tags

NGSS.HS-LS3-2

How can point mutations affect proteins?

• They always destroy the protein

• They can change the protein's function

• They have no effect on the protein

• They always improve the protein's function

Tags

NGSS.HS-LS3-2

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

• Sickle cell anemia

• Down syndrome

• Cystic fibrosis

• Turner syndrome

Tags

NGSS.HS-LS3-2

What is the effect of a silent mutation?

• It changes the amino acid sequence

• It has no effect on the protein

• It causes a frameshift

• It deletes a gene

Tags

NGSS.HS-LS3-2

Which type of mutation involves the addition of one or more nucleotide bases?

• Deletion

• Insertion

• Substitution

• Translocation

Tags

NGSS.HS-LS3-2

How can environmental factors lead to mutations?

• By altering the DNA sequence

• By increasing cell division

• By decreasing protein synthesis

• By stabilizing the DNA structure

Tags

NGSS.HS-LS3-2

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

• Antibiotic resistance in bacteria

• Cancer

• Genetic disorders

• Viral infections

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2