Question: how many chromosomes are in the body cells of a dog?
Answer: What is the Canine Genome? A dog's body contains trillions of cells. Most of these cells contain a nucleus. In dogs, 38 pairs of autosomes (non-sex chromosomes) can be found in every nucleus, for a total of 76 chromosomes plus the two sex chromosomes (X and Y) for a grand total of 78.