Which of the following is true with regard to mutations?
A)Mutations occur in response to environmental pressures.
B)Mutations are more common in slowly growing organisms.
C)Mutations appear without regard to environmental pressures.
D)Several mutations must occur at one time for a new phenotype to appear.

Question

Quizplus · Accepted Answer

Mutations can occur spontaneously without any external factor causing them, although some environmental factors can increase the likelihood of mutations.

Answer: B 
 Mutations are more common in rapidly growing organisms, as there are more opportunities for errors in DNA replication. Slowly growing organisms may also accumulate mutations over time, but at a slower rate.

Answer: C 
 Mutations can occur spontaneously without any external factor causing them.

Answer: D 
 While multiple mutations may contribute to a new phenotype, it is possible for a single mutation to have a significant impact on an organism's phenotype.

Which of the Following Is True with Regard to Mutations