a single chromosome can contain either one dna molecule or two identical dna molecules held together. true…

a single chromosome can contain either one dna molecule or two identical dna molecules held together. true false
Answer
Brief Explanations:
In the cell - cycle, before DNA replication, a single chromosome consists of one DNA molecule. After DNA replication, the chromosome consists of two identical DNA molecules (sister chromatids) held together by a centromere.
Answer:
True