In the context of fundamentals of genetics, the phenotype of an individual is best described as:

• A. The observable traits of an organism resulting from the interaction of its genotype with the environment
• B. The specific DNA sequence of a single gene without considering other loci or environmental effects
• C. The complete set of alleles an organism carries (its genetic makeup) regardless of trait expression
• D. The process by which alleles segregate and assort during meiosis to form gametes

Answer: (A)