A mutant strain of mouse refers to a genetically altered variation of laboratory mice commonly used in scientific research. These mice possess distinctive characteristics owing to specific gene modifications. Synonyms for mutant strains of mice include genetically modified mice, transgenic mice, and genetically engineered mice. These terms are interchangeably used to describe lab mice whose genetic makeup has been manipulated to study specific traits or diseases. These unique strains enable scientists to gain insights into various biological processes, human diseases, and potential therapies. With the advancement of genetic engineering techniques, mutant strains of mice continue to play a pivotal role in advancing our understanding of genetics and medicine.