Answer:
two
At the beginning of the S stage, each chromosome is composed of one coiled DNA double helix molecule, which is called a chromatid. At the end of this stage, each chromosome has two identical DNA double helix molecules, and therefore is composed of two sister chromatids.
A seems incorrect
bcz from virus to mammals everyone have dna if im not wrong
A) a coastline represents the boundary between land and the ocean or a lake.
Answer:The answer is A,C,D,F....
I hope this helps
Explanation: