Answer:
PETRIFIED WOOD is the answer okkkkkkkkkkkkkkkk
Answer:
during DNA replication
Explanation:
During DNA synthesis, when an incorrect nucleotide gets inserted in daughter strand of DNA, DNA polymerase goes back by one nucleotide pair, excises the mismatched nucleotide and repairs error. Thus, the DNA polymerase checks for mutations at the time of DNA replication
The answer is Mitochondria
Hope that helps! :)
