When dna replicates select one:
a. transcription factors determine where to begin dna replication.
b. the original dna unwinds, and multiple copies of a region are transcribed before the dna closes back up.
c. the original dna is not affected and a new double-stranded dna is made from two new strands of dna.
d. a cell that was diploid (2n) will now be tetraploid (4n).
e. one strand of the original dna ends up in each of the new dna molecules?
