Point Mutation

The picture above represents

• insertion

• deletion

• substitution

Tags

NGSS.HS-LS3-2

DNA molecule segment is : TTACGCAAG. The mutated DNA segment is TTCCGCAAG. This is an example of ___ mutation.

• Substitution

• Deletion

• Insertion

• Inversion

Tags

NGSS.HS-LS3-2

Deletion

• a different base or pair takes the place of what should have there

• a base or segment is added to the strand

• a base or segment has been deleted

Tags

NGSS.HS-LS3-2

What type of mutation happens to just one base.

• Chromosome Mutation

• Point Mutation

• DNA Mutation

• Deletion Mutation

Which of the following is a common cause of point mutations?

• Errors during DNA replication

• Balanced diet

• Regular exercise

• Adequate sleep

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

How can point mutations lead to genetic disorders?

• By altering the function of a protein

• By increasing the number of chromosomes

• By enhancing cell division

• By stabilizing the DNA structure

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 point mutation changes one base?

• Substitution

• Insertion

• Deletion

Tags

NGSS.HS-LS3-2