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Multiple Choice
Which of the following is the actual physical appearance of an organism?
A
Chromosome
B
Phenotype
C
Genotype
D
Allele
Verified step by step guidance
1
Understand the key terms: 'Phenotype' refers to the observable physical characteristics of an organism, such as height, eye color, and skin tone. 'Genotype' refers to the genetic makeup of an organism, which determines the potential for certain traits. 'Chromosome' is a structure within cells that contains DNA and genes. 'Allele' is a variant form of a gene.
Identify the question: The problem asks for the term that describes the actual physical appearance of an organism.
Relate the terms to the question: Since 'Phenotype' is the term that describes the observable traits or physical appearance of an organism, it is the correct answer.
Differentiate between 'Phenotype' and 'Genotype': While 'Genotype' refers to the genetic code, 'Phenotype' is the expression of that code in physical form. Environmental factors can also influence the phenotype.
Conclude with the correct term: Based on the definitions and the context of the question, 'Phenotype' is the term that matches the description of the actual physical appearance of an organism.