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In the fundamentals of genetics, a genotype refers to what?
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1. Introduction to Genetics
Fundamentals of Genetics
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In fundamentals of genetics, what term describes a version or variation of a gene?
A
Allele
B
Codon
C
Chromosome
D
Phenotype
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Understand that a gene is a segment of DNA that codes for a specific trait.
Recognize that genes can have different forms or variations, which lead to different expressions of that trait.
Learn that each variation of a gene is called an allele.
Different alleles can result in different phenotypes, which are the observable traits.
Note that codons are sequences of three nucleotides that code for amino acids, and chromosomes are structures that contain many genes, so neither term describes a version of a gene.
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