Mutations

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

• Substitution
• Deletion
• Insertion
• Inversion

Tags

NGSS.HS-LS3-2

• Substitution

• Deletion

• Insertion

• Silent

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

Why are insertion and deletion mutations so harmful?

• They shift all of the codons from the mutation on down the line, which changes the amino acid sequence

• Insertion and deletions are not any more harmful than substitution mutations.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

Genes determine whether you have dimples, what color eyes you have, and even your ability to roll your tongue. What is the role of a gene in inheritance?

• The gene gets messages from its cell about showing certain traits.

• The gene has nerves that send messages to the brain controlling specific traits.

• The gene is a section of DNA that controls a trait that the organism inherits.

• The gene contains chromosomes that show an organism's traits.

Tags

NGSS.HS-LS3-1

When a nitrogen base is added to a gene, this is called a __________ mutation.

• deletion

• insertion

• substitution

• point

Tags

NGSS.HS-LS3-2

Genetic mutations can be...

• beneficial, harmful, or neutral

• beneficial only

• harmful only

• neutral only

Tags

NGSS.HS-LS3-2

What Are Mutations?

• change in a nucleotide sequence

• change in appearance of an organism

• random copying of cells

• a duplication of a whole chromosome

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

Chemicals and UV radiation are examples of mutagens meaning they cause mutations to occur

• true

• false

Tags

NGSS.HS-LS3-2

Are all mutations bad?

• Yes
• No

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

When substitution of bases do not change the protein structure (amino acid) this type of mutation is known as____________

• Point Mutation- Substitution

• Frameshift Mutation- Insertion

• Point Mutation- Silent

• Frameshift Mutation- Deletion