After S phase and before mitosis, a chromosome consists of two chromatids
A) held together at the centromere.
B) each containing one long molecule of DNA.
C) which are genetically identical.
D) in an enlarged nucleus.
E) All of the statements are true.

Question

Quizplus · Accepted Answer

After S phase and before mitosis, each chromosome has been replicated into two chromatids. These chromatids are held together at the centromere, each contains one long molecule of DNA, and they are genetically identical to each other. The statement about an enlarged nucleus is not directly related to the structure of the chromatids but is a general characteristic of a cell preparing for mitosis, making all provided statements true in this context.

After S Phase and Before Mitosis, a Chromosome Consists of Two