Which statement describes the semi-conservative replication of DNA?
1 )
Parental DNA is broken down into nucleotides and reassembled with new nucleotides.
2 )
Parental DNA is split into triplets and new triplets are added.
Parental DNA is split into two strands, each of which is replicated.
4 )
Parental DNA remains intact and a new daughter DNA copy is built from new nucleotides.
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