The sex of mammals is determined by:

Athe autosomes they receive.
Bthe type of sex chromosomes received.
Cthe number of recessive chromosomes received.
DNone of these answers is or may be a factor.

Verified Answer :

haneul

The sex of mammals is determined by b. the type of sex chromosomes received. A mammal who receives XX is female. A mammal who receives XY is male. Any other combination of sex chromosomes is typically a genetic disorder. 
Hope that helped you.