What is the structure identified by the arrow in the diagram below? A. Chromosome
B. DNA Strand
C. Gene
D. Cell

A.}Chromosome

Explanation:

i would say the prokaryotic cells the prokaryotic cells are less complex, are usually found only in unicellular organisms and have more limited capabilities than eukaryotic cells.

answer; i believe that the correct answer is(d) nondisjunction during meiosis;