A mutation occurs in a gene located on a chromosome. Which of the following best describes a possible effect of this mutation on the organism?

• The organism will definitely become stronger.

• The mutation may have no effect, a beneficial effect, or a harmful effect.

• The organism will become a different species.

• The mutation will always be nice.

Tags

NGSS.MS-LS3-1

Which of the following is an example of a structural change to a gene that could affect the protein it codes for?

• A change in the weather.

• A mutation in the DNA sequence.

• A change in the organism's diet.

• A change in the organism's habitat.

Tags

NGSS.MS-LS3-1

What is the role of chromosomes in the cell?

• They store energy for the cell.

• They contain the genetic information of the organism.

• They help the cell move.

• They produce proteins directly.

Tags

NGSS.MS-LS3-1

How can a mutation in a gene lead to a change in the function of a protein?

• By altering the sequence of amino acids in the protein.

• By changing the color of the protein.

• By increasing the size of the protein.

• By making the protein more acidic.

Tags

NGSS.MS-LS3-1

Which of the following statements is true about mutations?

• All mutations are harmful to the organism.

• Mutations can only occur in animals.

• Mutations can be beneficial, harmful, or neutral.

• Mutations always result in a visible change in the organism.

Tags

NGSS.MS-LS3-1

Match the following terms with their correct descriptions:

• A molecule that carries genetic instructions.

• A change in the DNA sequence.

• A segment of DNA that codes for a trait.

• A structure that contains many genes.

• A molecule made of amino acids.

Tags

NGSS.MS-LS3-1

Match the following effects with the type of mutation:

• Increases the organism's ability to survive.

• Causes a disease or disorder.

• Has no effect on the organism's fitness.

Tags

NGSS.MS-LS3-1

Match the following processes with their descriptions:

• Copying DNA to make a new DNA molecule.

• Making RNA from a DNA template.

• Making a protein from an RNA template.

Tags

NGSS.MS-LS3-1

Match the following genetic terms with their definitions:

• The physical appearance of an organism.

• The genetic makeup of an organism.

• A variant form of a gene.

Tags

NGSS.MS-LS3-1

Match the following genetic concepts with their examples:

• An allele that is expressed only when two copies are present.

• An allele that is expressed even if only one copy is present.

• Having two identical alleles for a trait.

Tags

NGSS.MS-LS3-1