GRE Subject Test: Biochemistry, Cell, and Molecular Biology : Genomics

Study concepts, example questions & explanations for GRE Subject Test: Biochemistry, Cell, and Molecular Biology

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All GRE Subject Test: Biochemistry, Cell, and Molecular Biology Resources

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Example Questions

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Example Question #81 : Molecular Biology And Genetics

Organisms with extremely large genomes tend to have high amounts of what?

Possible Answers:

Recombination

Transposons

None of these are correct

Viral DNA insertions

Intron duplication

Correct answer:

Transposons

Explanation:

Organisms with large genomes tend to have very high levels of transposons. For instance, this is the case in our own genomes. It is hypothesized that in some organisms, there is a breakdown of systems that control insertion of transposons into the genome, resulting in large expansions.

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All GRE Subject Test: Biochemistry, Cell, and Molecular Biology Resources

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