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Replication of DNA is a semiconservative process.Which of the following BEST describes this characteristic of replication?A) Each new DNA molecule is made of pieces of the parent strand alternating with segments that have been newly constructed from free nucleotides.B) One strand of the DNA molecule acts a template for transcription, in which a strand of mRNA is formed.C) The double-stranded DNA molecule unzips, acts as a template for a new DNA molecule to be constructed, and then zips back together into its original form.D) Each strand of the original, double-stranded DNA molecule serves as a template for a newly constructed, complementary strand.