Multiple Choice
In genetics, what is the term for different forms of the same gene found at the same locus?
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1. Introduction to Genetics
Fundamentals of Genetics
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In fundamental genetics, what is the key difference between a genotype and a phenotype?
A
Genotype describes only environmental influences on traits, whereas phenotype describes only inherited DNA sequences.
B
Genotype refers to an organism’s genetic makeup (alleles), whereas phenotype refers to the observable traits produced by the genotype and environment.
C
Genotype and phenotype are interchangeable terms that both describe an organism’s observable characteristics.
D
Genotype refers to the observable traits of an organism, whereas phenotype refers to the DNA sequence an organism carries.
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