Answer:
The correct answer is - phenotype.
Explanation:
Phenotype is the physical characters that can be observed externally, including the physical and morphological characters, It could be color, size, behavior or expression of those characters in the protein.
The phenotype is based on the interaction of the genotype of the alleles of a particular trait or character. Blue eyes and brown hair are examples of phenotypes.
Thus, the correct answer is - Phenotype.
