Consider a human somatic cell in the G2 phase of the cell cycle. Which statement is true about the DNA molecules at this stage ?
A: Each chromosome consists of two identical DNA molecules joined at a centromere.
B: The DNA molecules are not yet associated with histones (nucleosomes).
C: The DNA molecules are part of highly condensed rod-like chromosomes.
D: A and B.
E: A and C.
Answer: A: Each chromosome consists of two identical DNA molecules joined at a centromere.
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