Question

The image below shows the genetic material within a eukaryotic cell.



Which of the following correctly describes the hierarchy of genetic material within a cell?
A.
Each chromatid in a cell is made up of two chromosomes, which are each made up of molecules of DNA.
B.
Molecules of DNA are made up of two chromosomes, which are each made of one chromatid.
C.
Each chromosome in a cell is made up of two chromatids, which are each made up of molecules of DNA.
D.
Molecules of DNA are made up of chromatids, which are each made up of two chromosomes.

Answer 1

C

Each (replicated) chromosome consists of two sister chromatids joined at a centromere; each chromatid is one molecule of DNA packaged with proteins (chromatin).