How many chromosomes does a mouse have?

Deer mouse has 48

Not too many people know that different types of mice have different amounts of chromosomes. For example, a deer mouse has 48 chromosomes, while a lab mouse has 40 chromosomes. Keep in mind that humans, on the other hand, have 46 chromosomes.  The numbers of chromosomes in various plants, animals and other living organisms, given as the diploid number (2n) vary.  The turkey has 80 chromosomes, the chicken has 78 chromosomes, the dog has 78 chromosomes, the wolf has 78 chromosomes and the polar bear has 74 chromosomes.