Answer:
To check the expected results, lets make a punnet square:
Be Be be be
BE BBEe BBEe BbEe BbEe
Be BBee BBee BbEe BbEe
bE BbEe BbEe bbEe bbEe
be Bbee Bbee bbee bbee
10:6 is the expected phenotype of the offsprings. There is a 63% chance that the offsprings will be black labrador and there is a 37% chance that the offsprings will be yellow labrador.