Answer:
Genotypic ratio:
1:2:1
Phenotypic ratio:
1:2:1
Explanation:
Of course this could be incorrect because no information was provides about the genes and alleles. Dominant gene is unknown, recessive gene is unknown, whether it is co-dominant or not is unknown. So much is unknown that I just assumed that the there are 2 alleles that are both dominant - one grey (G) and one blue (B). BG being co-dominant which is bluish-grey.