Multiple Choice
Spontaneous mutations occurــــــــــــــــــــــــ .
A) from errors in replication
B) when organisms grow at high temperatures
C) in the presence of mutagens
D) from ultraviolet radiation
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Aـــــــــــــــــــــــ mutation has no effect on phenotype.<br>A)frameshift<br>B)deletion<br>C)silent<br>D)nonsense
Q2: Mutations occur more frequently in hotspots.
Q3: When second site mutations change the mutant
Q4: Terotogenic agentsــــــــــــــــــــ .<br>A)generate reversions<br>B)always causes mutations<br>C)are always
Q5: In some repair mechanisms,the parental DNA strand
Q6: Which of the following is notorious for
Q8: A mutation that changes the orientation of
Q9: Nonsense mutations occur whenـــــــــــــــــ is introduced into
Q10: DNA polymerases often proofread their recently inserted
Q11: A ــــــــــــــــــــــmutation changes the coding sequence of