Mutations

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What is a mutation?

Back

Any change in the sequence of DNA.

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What is a deletion mutation?

Back

A type of mutation where one or more nucleotides are removed from the DNA sequence.

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What is a frameshift mutation?

Back

A mutation that occurs when nucleotides are added or deleted from the DNA sequence, causing a shift in the reading frame.

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What is gel electrophoresis?

Back

A procedure used to separate and analyze DNA fragments by applying an electrical voltage to a gel.

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What is the bottleneck effect?

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A phenomenon that occurs when a large population is drastically reduced, leading to a loss of genetic diversity.

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What is genetic engineering?

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The process of manipulating an organism's DNA for the benefit of humankind and society.

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What is an insertion mutation?

Back

A type of mutation where one or more nucleotides are added to the DNA sequence.

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What is a substitution mutation?

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A mutation that occurs when one nucleotide is replaced by another in the DNA sequence.

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What is the founder effect?

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A phenomenon that occurs when a small group of individuals establishes a new population, leading to reduced genetic diversity.

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What is natural selection?

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The process by which organisms better adapted to their environment tend to survive and produce more offspring.