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Part I: Genetic
Material
Lesson 3:
DNA's Role in
Determining Your Traits

Upon completion of this lesson, you will be able to:
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Recognize
that both genes and environment play a role in defining a
person's traits
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Recall
that most human DNA sequence variation is in the form of single
nucleotide polymorphisms (SNPs)
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Explain
the relationship among genes, alleles, genotypes, and phenotypes
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Explain
that variations in DNA sequence result in different versions of
genes within the human population
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Match
vocabulary words to their definitions, including trait, allele,
genotype, phenotype, single nucleotide polymorphism (SNP),
genetic potential, and penetrance
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