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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
silent mutation
B
nucleotide base substitution
C
nucleotide base deletion
D
nucleotide base insertion
2) Which mutations would likely cause the greatest impact?
A
deletion or insertion
B
insertion or substitution
C
missense or nonsense
D
deletion or substitution
3) A change in a gene due to damage or being copied incorrectly is called
A
meiosis
B
segregation
C
mutation
D
evolution
4) The original strand of DNA looks like this ACGTCTCGA, the mutated strand looks like this ACGTTCGA. What type of mutation is this?
A
nonsense mutation
B
nucleotide base insertion
C
nucleotide base deletion
D
nucleotide base sustitution
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 insertion
B
nucleotide base deletion
C
nonsense mutation
D
nucleotide base sustitution
6) Examples of ___ include X-rays, UV, and cigarette smoke.
A
ribosomes
B
mutagenesis
C
mutagens
D
mutations
7) If a mutation occurs in the DNA of ___ cells, it can be passed from one generation to the next.
A
sex
B
brain
C
heart
D
liver
8) If a change occurs in a base sequence of a DNA, it might cause a different ___ to be substituted in a protein.
A
nucleic acid
B
amino 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
nucleotide base substitution
B
nucleotide base insertion
C
nucleotide base deletion
D
nonsense mutation
10) Ultraviolet (UV) radiation is damaging because it
A
prevents DNA transcription.
B
causes protein synthesis.
C
causes mutations in the DNA.
D
prevents DNA translation.
*select an answer for all questions
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