In a cross between two blue Andalusian chickens, 25% of the offspring produced were white, 25% where black, and 50% were blue Andalusian like the parents. Color in these chickens is most likely inherited by

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The pattern of inheritance where a cross between two blue Andalusian chickens results in 25% white, 25% black, and 50% blue offspring is indicative of incomplete dominance. In incomplete dominance, the heterozygous phenotype (blue Andalusian) is intermediate between the two homozygous phenotypes (white and black), which explains the observed distribution of offspring colors.

In a Cross Between Two Blue Andalusian Chickens, 25% of the Offspring