Which of the Following Statements About the Chromosomes of Different

Which of the following statements about the chromosomes of different species is true?

A) Different species of animals all have very different chromosomes. The relationship between species is not indicated by similarities in chromosomes.
B) The more closely related the species, the more similar their chromosomes will be.
C) The best way to determine the similarity between species is to study the number of chromosomes they have, not the different individual chromosomes.
D) Because not every species of animals actually have chromosomes, determining their genetic similarity by studying chromosomes is not a useful practice.