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Multiple Choice
How does genotype differ from phenotype?
A
Genotype is the physical expression of traits, while phenotype is the genetic code.
B
Phenotype is the genetic makeup, while genotype is the environmental influence on traits.
C
Genotype and phenotype are identical and interchangeable terms.
D
Genotype refers to the genetic makeup of an organism, while phenotype refers to the observable traits.
Verified step by step guidance
1
Understand the definitions: Genotype refers to the genetic makeup of an organism, which includes the specific alleles or genes it carries. Phenotype refers to the observable characteristics or traits of an organism, such as its morphology, development, biochemical properties, and behavior.
Recognize the relationship: The genotype of an organism influences its phenotype, but the phenotype can also be affected by environmental factors. This means that while the genetic code provides the potential for certain traits, the environment can modify how these traits are expressed.
Differentiate the terms: Genotype is about the genetic information encoded in the DNA, which is not visible to the naked eye. Phenotype, on the other hand, is what you can observe, such as eye color, height, or the presence of a disease.
Consider examples: For instance, two plants may have the same genotype for flower color, but if one is grown in nutrient-rich soil and the other in poor soil, their phenotypes (flower color) might differ due to environmental influences.
Clarify misconceptions: Genotype and phenotype are not interchangeable terms. While they are related, they describe different aspects of an organism's biology. Genotype is the genetic blueprint, while phenotype is the expression of that blueprint in conjunction with environmental factors.