Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA<span>). Passed from parents to offspring, </span>DNA<span> contains the specific instructions that make each type of living creature unique.</span>
Biology is the study of natural science (nature) and it is important to humans cause we learn about it
C)All DNA is made of the same components so there would be no difference.
Is the answer.