DNA alt. assessment

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What is DNA fingerprinting?

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A technique used to identify individuals based on their unique DNA profiles, as no two people (except identical twins) have exactly the same DNA.

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What is the primary reason DNA fingerprinting works?

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No two people, except identical twins, have exactly the same DNA.

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What is a recommended method for preserving DNA evidence?

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Freezing, refrigeration, and air drying are recommended methods, while storing in plastic bags is not.

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What is the consequence of storing DNA evidence in plastic bags?

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It can lead to contamination and degradation of the DNA sample.

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What is paternal DNA?

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DNA that is inherited from the father.

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What is an allele?

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A variation of a gene that can produce different traits.

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What does homozygous mean?

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Having two identical alleles for a particular gene.

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What does heterozygous mean?

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Having two different alleles for a particular gene.

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What is the role of nucleotides in DNA?

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Nucleotides are the building blocks of DNA, consisting of a sugar, a phosphate group, and a nitrogenous base.

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What are the base pairing rules in DNA?

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Adenine pairs with Thymine (A-T) and Cytosine pairs with Guanine (C-G).