Gene Mutations

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

• When an organism's lifespan becomes shorter.

• When an organism becomes unable to reproduce.

• When an organism's body becomes deformed.

• When an organism develops immunity to a disease.

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

NGSS.HS-LS4-5

What point mutation adds one base?

• Substitution

• Deletion

• Insertion

Tags

NGSS.HS-LS3-2

What is a mutation?

• A change in a chromosomal region.

• A negative change in the nucleotide sequence of DNA.

• A change in one base pair in DNA.

• Any change in the nucleotide sequence of DNA.

Tags

NGSS.HS-LS3-2

What type of chromosomal mutation gains a copy of the same genes it already has?

• Duplication

• Inversion

• Deletion

• Translocation

What type of chromosomal mutation removes genes and then re-attaches the genes backwards?

• Duplication

• Inversion

• Deletion

• Translocation

What does a nonsense mutation do?

• Change one amino acid to a stop codon.

• Change one amino acid to a different amino acid.

• Change one amino acid to a start codon.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

What does a missense mutation do?

• Change one amino acid to a stop codon.

• Change one amino acid to a different amino acid.

• Change one amino acid to a start codon.

Tags

NGSS.HS-LS1-1

What type of mutation happens to just one base.

• Chromosome Mutation

• Point Mutation

• DNA Mutation

• Deletion Mutation

What point mutation changes one base?

• Substitution

• Insertion

• Deletion

Tags

NGSS.HS-LS3-2

What point mutation removes one base?

• Deletion

• Insertion

• Substitution