AnswersPalmer Biology 2026-2027Lab: Building Proteins from RNA

DNA Mutations Answers

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1
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Which best describes somatic mutations?

A
They are usually passed on to offspring.
B
They can cause different kinds of cancer.
C
They always result from point mutations.
D
They only occur in reproductive cells.
2
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Which statement is scientifically based?

A
Mutations rarely occur.
B
All mutations are harmful.
C
Some mutations can be contagious, like infections.
D
Mutations are not passed from parent to offspring.
3

Which type of mutation occurs only in gametes?

A
germline mutation
B
somatic mutation
C
point mutation
D
frameshift mutation
4

Which type of mutation always produces a stop codon?

A
missense
B
nonsense
C
silent
D
point
5

The DNA sequence reads ACGTTCATT before a mutation occurs. After the mutation, the DNA sequence reads ATCGTTCATT. Which type of mutation occurred?

A
substitution
B
insertion
C
deletion
D
point
6

Which is a point mutation and not a frameshift mutation?

A
mutagen
B
insertion
C
deletion
D
silent
7

Which type of mutation occurs only in reproductive cells?

A
somatic mutation
B
germline mutation
C
point mutation
D
frameshift mutation
8

Based on scientific research, which statement best describes mutations?

A
Mutations are rare occurrences.
B
Mutations are always harmful.
C
Mutations cannot be inherited.
D
Mutations cannot be acquired.
9

Ji wants to write an example of a frameshift mutation using the following sentence: THE CAT SAW THE RAT. Which sentence best shows a frameshift mutation?

A
THC ATS AWT HER AT.
B
CAT THE SAW RAT THE.
C
EHT TAC WAS EHT TAR.
D
THE THE CAT SAW THE RAT.
10

A mutagen is

A
a living thing that has undergone a mutation.
B
an agent that causes a mutation in DNA.
C
a mutation that has affected one gene.
D
any chemical that can poison living cells.

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DNA Mutations Answers — Palmer Biology 2026-2027