Chapter 7 Vocab

Front

CODIS

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The FBI’s computerized criminal DNA databases and the software used to run these databases, including the National DNA Index System (NDIS).

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Intron

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The portion of a gene that is not expressed in the final protein product.

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DNA fingerprint

Back

A pattern of DNA fragments obtained by analyzing a person’s unique sequences of noncoding DNA.

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Allele

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An alternative form of a gene that can exist at a specific locus on a chromosome.

Front

Chromosome

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A nuclear cell structure that contains DNA in humans, organized into genes.

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Gene

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A segment of DNA that contains the instructions for building a specific protein.

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Genotype

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The genetic constitution of an individual, representing the alleles inherited from parents.

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Phenotype

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The observable physical or biochemical characteristics of an organism, determined by its genotype.

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Homozygous

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Having two identical alleles for a particular gene.

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Heterozygous

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Having two different alleles for a particular gene.