Multiple Choice
What is the primary difference between genotype and phenotype?
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13. Mendelian Genetics
Genotype vs. Phenotype
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Which of the following is an example of a phenotype?
A
Heterozygous genotype
B
Homozygous dominant
C
Recessive allele
D
Blue eye color
Verified step by step guidance1
Understand the difference between genotype and phenotype. Genotype refers to the genetic makeup of an organism, while phenotype refers to the observable characteristics or traits of an organism.
Identify the terms given in the options: 'Heterozygous genotype', 'Homozygous dominant', and 'Recessive allele'. All these terms relate to the genetic makeup, or genotype, of an organism.
Recognize that 'Blue eye color' is a physical trait that can be observed, making it a phenotype.
Recall that phenotypes are influenced by both genetic factors (genotype) and environmental factors, but they are the traits that are actually expressed and visible.
Conclude that among the options provided, 'Blue eye color' is the only example of a phenotype, as it describes an observable characteristic.
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