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Multiple Choice
In what way are genotype and phenotype similar, and how do they differ?
A
Phenotype refers to the genetic makeup of an organism, while genotype refers to the observable traits; both are independent of each other.
B
Genotype refers to the genetic makeup of an organism, while phenotype refers to the observable traits; both are influenced by genetic and environmental factors.
C
Genotype and phenotype are both determined solely by environmental factors, with no genetic influence.
D
Both genotype and phenotype refer to the observable traits of an organism; genotype is influenced by the environment, while phenotype is not.
Verified step by step guidance
1
Understand the definitions: Genotype refers to the genetic makeup of an organism, which includes the alleles inherited from the parents. Phenotype refers to the observable traits or characteristics of an organism, such as height, eye color, and behavior.
Identify the relationship: The phenotype is influenced by the genotype, as the genetic information determines the potential traits an organism can express. However, the phenotype is also influenced by environmental factors, which can affect how these traits are expressed.
Clarify the differences: While genotype is purely genetic, phenotype is the result of the interaction between genotype and the environment. This means that two organisms with the same genotype can have different phenotypes if they are exposed to different environmental conditions.
Recognize the similarities: Both genotype and phenotype are essential for understanding an organism's biology. They are interconnected, as the genotype provides the blueprint for potential phenotypic traits, and the phenotype is the expression of these traits.
Evaluate the options: The correct understanding is that genotype refers to the genetic makeup, while phenotype refers to observable traits. Both are influenced by genetic and environmental factors, which aligns with the correct answer provided in the problem.