Answer:
boson
Explanation:
In quantum mechanics, a boson is a particle that follows Bose–Einstein statistics. Bosons make up one of the two classes of particles, the other being fermions
All the other traits are dominant in the family except for freckles- those would be recessives w
1= Cerebrum.
2=Ventricles (fluid-filled spaces)
3.Cerebellum.
4.Brain stem (Pons and Medulla)
5.Spinal cord.
Hope this helps! :D
