Abstract
The neotropical deer from Mazama genus have cytogenetic peculiarities such as B chromosomes. The species Mazama gouazoubira (2n = 70 + 0-3B) stands out for its high polymorphism associated with the B chromosome occurrence. Supernumerary chromosome studies with this species are scarce regarding the function and origin of Bs. Thus, the present study aims to classify the different types of B…