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In the context of Mendelian genetics, which statement correctly distinguishes genotype from phenotype?
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1. Introduction to Genetics
Fundamentals of Genetics
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In genetics, different versions of a gene are referred to as what?
A
Loci
B
Genotypes
C
Chromatids
D
Alleles
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Understand that a gene is a segment of DNA that codes for a specific trait.
Recognize that different versions or forms of the same gene are called 'alleles'.
Note that 'loci' refers to the specific physical location of a gene on a chromosome, not the versions of the gene.
Understand that 'genotype' refers to the combination of alleles an organism has for a particular gene, not the alleles themselves.
Know that 'chromatids' are duplicated strands of a chromosome, unrelated to the concept of gene versions.
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