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Multiple Choice
What is the primary difference between phenotype and genotype?
A
Genotype and phenotype are both terms for the observable traits of an organism.
B
Phenotype is the genetic code, while genotype is the observable traits.
C
Genotype is the physical expression of traits, while phenotype is the genetic code.
D
Phenotype refers to the observable traits, while genotype refers to the genetic makeup.
Verified step by step guidance
1
Understand the definitions: Genotype refers to the genetic makeup of an organism, which includes the specific alleles inherited from the parents. Phenotype refers to the observable traits or characteristics of an organism, which result from the interaction of the genotype with the environment.
Clarify the relationship: The genotype provides the instructions for the development of the phenotype. However, the phenotype can be influenced by environmental factors, meaning that the same genotype can lead to different phenotypes under different conditions.
Identify examples: For instance, the genotype might include alleles for eye color, but the phenotype is the actual eye color observed. Similarly, the genotype might include alleles for height, but the phenotype is the actual height of the organism.
Distinguish between the terms: Remember that genotype is about the genetic code (the DNA sequence), while phenotype is about the physical expression and characteristics that can be observed.
Apply the concept: When analyzing traits, consider both the genetic information (genotype) and how it manifests in the organism (phenotype), taking into account any environmental influences that might affect the phenotype.