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DNA Mutations
Test Description: Use this to review various types of mutations.
Instructions: Answer all questions to get your test result.
1) If DNA segments changes from GGTTAG to GGATAG this is a
A
nucleotide base insertion
B
silent mutation
C
nucleotide base deletion
D
nucleotide base substitution
2) Which mutations would likely cause the greatest impact?
A
deletion or insertion
B
deletion or substitution
C
missense or nonsense
D
insertion or substitution
3) A change in a gene due to damage or being copied incorrectly is called
A
meiosis
B
evolution
C
mutation
D
segregation
4) The original strand of DNA looks like this ACGTCTCGA, the mutated strand looks like this ACGTTCGA. What type of mutation is this?
A
nucleotide base insertion
B
nonsense mutation
C
nucleotide base sustitution
D
nucleotide base deletion
5) The original strand of DNA looks like this ACGTCTCGA, the mutated strand looks like this ACGTCTACGA. What type of mutation is this?
A
nucleotide base sustitution
B
nonsense mutation
C
nucleotide base insertion
D
nucleotide base deletion
6) Examples of ___ include X-rays, UV, and cigarette smoke.
A
mutagens
B
ribosomes
C
mutations
D
mutagenesis
7) If a mutation occurs in the DNA of ___ cells, it can be passed from one generation to the next.
A
liver
B
brain
C
heart
D
sex
8) If a change occurs in a base sequence of a DNA, it might cause a different ___ to be substituted in a protein.
A
amino acid
B
nucleic acid
C
ribosome
D
enzyme
9) Sickle cell anemia is a disease that affects red blood cells. This is the result of a mutation called a ___.
A
nonsense mutation
B
nucleotide base deletion
C
nucleotide base insertion
D
nucleotide base substitution
10) Ultraviolet (UV) radiation is damaging because it
A
causes protein synthesis.
B
prevents DNA transcription.
C
prevents DNA translation.
D
causes mutations in the DNA.
*select an answer for all questions
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