Number 1 is C
And im not sure about the rest :(
<span>The sample taken from the crime scene should be analyzed for multiple DNA fragments</span>
The chromatids are made of a substance called chromatin. This is a single, very long strand of DNA. ... The chromatin is copied, so you now have 92 strands, that are each spiraled up to form the chromatids. The 2 copies of each chromatid are joined together by a centromere to form a chromosome.
