Answer:
B) BB
Explanation:
The gene for feather color is controlled by codominance ( codominance, when both the alleles express their effect, the phenotype is the combination of both alleles, it is the intermediate of both phenotype).
black feather is B
erminette feather WB
white feather is W
Then the genotype for chickens with black feather is BB.
also the BB may be black this is heterozygous condition.
Hope this helps! :)
