DNA Mutations: Question Preview (ID: 9301)


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If DNA segments changes from GGTTAG to GGATAG this is a
a) nucleotide base substitution
b) silent mutation
c) nucleotide base insertion
d) nucleotide base deletion

Which mutations would likely cause the greatest impact?
a) deletion or insertion
b) missense or nonsense
c) insertion or substitution
d) deletion or substitution

A change in a gene due to damage or being copied incorrectly is called
a) evolution
b) mutation
c) segregation
d) meiosis

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 sustitution
b) nonsense mutation
c) nucleotide base insertion
d) nucleotide base deletion

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

Examples of ___ include X-rays, UV, and cigarette smoke.
a) ribosomes
b) mutagens
c) mutagenesis
d) mutations

If a mutation occurs in the DNA of ___ cells, it can be passed from one generation to the next.
a) sex
b) brain
c) liver
d) heart

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) ribosome
c) enzyme
d) nucleic acid

Sickle cell anemia is a disease that affects red blood cells. This is the result of a mutation called a ___.
a) nucleotide base deletion
b) nonsense mutation
c) nucleotide base insertion
d) nucleotide base substitution

Ultraviolet (UV) radiation is damaging because it
a) prevents DNA translation.
b) causes mutations in the DNA.
c) causes protein synthesis.
d) prevents DNA transcription.

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