Why are there relatively few errors in dna molecules after dna has been replicated

A. The bonds are so strong that errors are never made

B. Replication enzymes proofread new DNA strand before replication is complete

C. There isn’t much DNA so there are not a lot of chance for error

B. Replication enzymes proofread new DNA strand before replication is complete

(C is 100% in accurate. You have millions of DNA in your body)

i think the answer is g1

hope i

-lavira: )

"1. it should be, it has been for about 20 years, and it's really not much different in the end than breeding animals to have particular traits. there are always concerns about genetically engineered animals/plants affecting the environment in unexpected negative ways, but i can't think of an example where the fears didn't turn out to be baseless.  

first, as you point out, it would be a great advance in pharmacology, to be able to tailor drugs and their doses to me. the pros involve better medical treatment. the cons involve privacy issues like insurance companies denying coverage to people with genetic risk factors. looking at dna markers wouldn't affect the frequency of genetic diseases, but it would allow detection of them earlier. and ok, actually i suppose that if people used this information to avoid having children with genetic diseases, some might decrease in frequency."