Mutations in DNA molecules can occur when (1 point)
A.) a DNA enzyme attaches to an RNA codon
B.) RNA codons are replaced by DNA nucleotides
C.) replication of DAN is exact
D.) a change occurs in DNA nucleotide bases.
A.) a DNA enzyme attaches to an RNA codon
B.) RNA codons are replaced by DNA nucleotides
C.) replication of DAN is exact
D.) a change occurs in DNA nucleotide bases.