Carla receives an allele for blue eyes from her mother, and an allele for brown eyes from her father.

If brown eye color is a dominant trait and blue eye color is a recessive trait, what can be determined about the color of Carla's eyes?
A.
Carla has green eyes.
B.
Carla has brown eyes.
C.
Carla has blue eyes.
D.
Carla's eye color can not be determined.