How are mutations prevented during DNA replication?

Answer 1

DNA polymerase checks DNA for errors.
DNA polymerase checks DNA for errors by breaking the hydrogen bonds between the paired nitrogen bases in the DNA molecule. This causes the molecule to separate into two individual strands.

Answer 2

Mutations during DNA replication are prevented by the proofreading ability of DNA polymerase enzymes, which can detect and correct errors while synthesizing new DNA strands. Additionally, repair mechanisms such as mismatch repair can fix errors that have escaped proofreading.

Answer 3

DNA polymerase backs up, removes the incorrect nucleotide, and replaces it with the correct one.

Answer 4

Just learned this! the key check points in the cell cycle, the cells won't divide and replicate until dna is ok.

Answer 5

There are various enzymes and other factors that are able to prevent or recognize errors in DNA replication and repair them. Refer to the related link below.

Answer 6

DNA Polymerases

Answer 7

DNA Polymerases