In cell biology, what does the word queue describe?

In cell biology, the word Queue describes the long arm of a chromosome.

Explanation:

The long arm of a chromosome is termed the q arm. All human chromosomes have two arms; the p arm which is the short arm and the q arm which is the long arm. The two are separated from each other only by primary constriction at the center called the centromere, the point at which the chromosomes is attached to the spindle fibers during cell division. 

answer; //the above statement is (false);

phylogenetic tree is the tree of life or evolution tree. it shows the different branches of evolution. the sequence goes like tissues - coelom - backbone - endoskeleton - segmentation