: Known for its rapid breeding, small size, and ease of maintenance, it has been the second mammal to have its entire genome sequenced after humans.
: The species originated in South Asia and diverged into three main subspecies: M. m. domesticus (Western), M. m. musculus (Eastern), and M. m. castaneus (Southeast Asian). musculus
: It is highly valued because it is genetically similar to humans, allowing scientists to study human diseases and biological processes in a controlled environment. : Known for its rapid breeding, small size,
