Multiple Choice
Which of the following is not true of an organism's genotype?
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13. Mendelian Genetics
Genotype vs. Phenotype
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Which of the following best describes the phenotype of an individual?
A
The environmental factors affecting an organism
B
The sequence of DNA in an organism's genome
C
The genetic makeup of an organism
D
The observable physical or biochemical characteristics of an organism
Verified step by step guidance1
Understand the term 'phenotype': In biology, a phenotype refers to the observable physical or biochemical characteristics of an organism, as determined by both genetic makeup and environmental influences.
Differentiate between phenotype and genotype: The genotype is the genetic makeup of an organism, which includes the sequence of DNA in its genome. The phenotype is the expression of the genotype in the form of observable traits.
Consider environmental influences: While the genotype provides the blueprint, environmental factors can influence the expression of certain traits, contributing to the phenotype.
Identify examples of phenotypic traits: These can include physical attributes like height, eye color, and biochemical characteristics such as blood type or enzyme activity.
Select the correct description: Based on the understanding of phenotype, the correct description is 'The observable physical or biochemical characteristics of an organism.'
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