The type of inheritance is A. Codominance
What is Codominance?
Codominance is arise at the time when both traits represents, and in this given situation, with the red and blue, they represent. Incomplete dominance is characterized by blending; in that case, the fish would have to be purple since red and blue make purple. It's not contain multiple alleles since there isn't anything to recommended that there are more than 2 alleles for the color gene.
learn more about offspring here: https://brainly.com/question/21499942