Multiple Choice
Which of the following best describes a phenotype?
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1. Introduction to Genetics
Fundamentals of Genetics
Multiple Choice
In genetics, what is meant by the phenotype of an individual?
A
The frequency of a particular allele in a population over time
B
The specific arrangement of alleles on homologous chromosomes in a gamete
C
The complete set of genes (alleles) an individual possesses
D
The observable characteristics of an individual resulting from the interaction of its genotype and environment
Verified step by step guidance1
Understand that the phenotype refers to the observable traits or characteristics of an individual, such as height, eye color, or blood type.
Recognize that phenotype results from the interaction between an individual's genotype (the genetic makeup) and environmental factors.
Differentiate phenotype from genotype, where genotype is the complete set of genes or alleles an individual carries, but phenotype is what is actually expressed or seen.
Note that phenotype is not about allele frequencies in a population or the arrangement of alleles on chromosomes, but about the traits that manifest in the individual.
Summarize that phenotype = Genotype + Environment, meaning the observable characteristics arise from both genetic information and environmental influences.
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