which of the following is false about the replication of dna? 1. daughter double helices are generated behind a moving replication fork. 2. A molecule of dna is duplicated ahead of a replication fork. 3. the initial step in unwinding dna double helix is accomplished by the initiation complex. 4. the positions at which dna is first opened are called replication origins. 5. positions on dna that are rich in adenine and thymine base pairs are typically found at replication origins.​