This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics, Subject name: Pathology
[{'content': 'Which of the following is regarded as outward expression of gene? \nSelect and explain. \nA. Phenotype, B. Proteomics, C. Genotype, D. Anticipation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ref: Robbins 8th ed. P 136-137PhenotypePhysical appearance ascribed to a particular genetic make-upProteomicsMeasurement of all proteins expressed in a cell or tissueGenotypeGenetic composition describing number of chromosomesAnticipationIncrease in severity of disease with successive generations', 'role': 'assistant'}]