DNA Mutations

Which characteristic of a protein may change during a DNA mutation?

• hardness

• color

• texture

• shape

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

Mindy made a study chart in science class. Which headings best complete the chart?

• X: Insertion

  Y: Substitution

  Z: Deletion

• X: Substitution

  Y: Insertion

  Z: Deletion

• X: Deletion

  Y: Substitution

  Z: Insertion

• X: Substitution

  Y: Deletion

  Z: Insertion

Tags

NGSS.HS-LS3-2

Xian drew a diagram to compare deletion mutations and substitution mutations. Which label belongs in the area marked "X"?

• may change the type of amino acid

• decreases the number of bases in the sequence

• does not change the type of amino acid

• increases the number of bases in the sequence

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

Which is an example of a deletion mutation that results in a new protein?

• CAT - CGA - TCC mutates to CAC - TCG - ATC - C

• AAT - CGG - CCA mutates to AAC - CGG - CCA

• AAT - CGG - CCA mutates to AAT - CGG - AAT - CCA

• CAT - CGA - TCC mutates to CAT - TCC

Tags

NGSS.HS-LS3-2

Which is an example of an insertion mutation that changes all of the amino acids that follow the mutation?

• CAG - TTC - ACG mutates to CAG - TTA - CAC - G

• CAG - TTC - ACG mutates to CAG - TTC - ACC - ACG

• TAC - CAT - GGC mutates to AAC - CAT - GGC

• TAC - CAT - GGC mutates to TAC - CAT - GG

Tags

NGSS.HS-LS3-2

Which is an example of a substitution mutation?

• CAG - TTA - CAC mutates to CAG - GAC - TTA - CAC

• CAG - TTA - CAC mutates to CAG - TTA - CAC - AT

• CAT - GGC - TAC mutates to CAT - GGC - TAG

• CAT - GGC - TAC mutates to ATG - GCT - AC

Tags

NGSS.HS-LS3-2

A mutation occurs when a base in the DNA sequence is replaced by a different base.

• insertion

• substitution

• deletion

Tags

NGSS.HS-LS3-2

As a result of a mutation, the DNA sequence AGT - TGA - CAT changes to AAT - TGA - CAT.

Which best describes the mutation?

• It is a substitution in which the DNA base, G, was replaced with a different DNA base, A.

• It is a deletion in which the DNA base, G, was replaced with a different DNA base, A.

• It is a substitution in which three DNA bases, AGT, were replaced with three different DNA bases, AAT.

• It is a deletion in which three DNA bases, AGT, were replaced with three different DNA bases, AAT.

Tags

NGSS.HS-LS3-2

Which is an example of a beneficial mutation?

• one that changes the color of a rabbit, allowing it to hide from predators.

• one that results in lighter flower petal colors without changing the plant’s ability to reproduce

• one that causes a person’s body to produce thick mucus that clogs the lungs

• one that makes it easier for a corn plant to contract a disease

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

NGSS.HS-LS4-4

A mutation causes a dog to be born with a tail that is shorter than normal.

Which best describes this mutation?

• It is harmful because it obviously affects the dog’s survival.

• It is harmful because it affects the dog’s physical appearance.

• It is neutral because it does not obviously affect the dog’s survival.

• It is beneficial because it affects the dog’s physical appearance.