Ray, what exactly is moot?
Regarding the difference in the number of chromosomes, have a look at
this. Somewhere in our past, two of our chromosomes fused into one, and we've recently managed to find the exact place that this happened. Here's a comparison of(from left to right) humans, chimpanzees, gorillas and orangutans:
Click to enlarge
Imho, this picture truly does speak a thousand words.