Multiple Choice
In the context of fundamental genetics, what best describes an organism’s genotype?
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1. Introduction to Genetics
Fundamentals of Genetics
Multiple Choice
In the context of the fundamentals of genetics, what is the phenotype of an organism?
A
The complete set of genes (alleles) an organism carries
B
The specific nucleotide sequence of a single gene in an organism
C
The genetic makeup of an organism expressed only at the DNA level, regardless of environment
D
The observable traits of an organism resulting from the interaction of its genotype with the environment
Verified step by step guidance1
Understand that in genetics, the term 'phenotype' refers to the observable characteristics or traits of an organism.
Recognize that these traits result from the interaction between the organism's genetic makeup (genotype) and environmental factors.
Differentiate phenotype from genotype: genotype is the genetic constitution (the set of alleles), while phenotype is how those genes are expressed physically or biochemically.
Note that phenotype includes traits such as morphology, development, biochemical properties, and behavior that can be observed or measured.
Conclude that the phenotype is not just the genetic information alone, but the visible or measurable expression of that information influenced by the environment.
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