Question

What are mutations?

A)changes in nucleotides of a DNA molecule that affect the genetic message

B)repairs of damage to DNA molecules by specialized enzymes

C)removal of damaged DNA nucleotides by enzyme molecules

D)reduction in the rate of replication of DNA due to regulatory mechanisms

Answer 1

A) change in the nucleotides of DNA molecules that affect the genetic information in the cells. The mutations are shown in the phenotype of the organism.