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Duplication Can Be Advantageous for Evolution

question 37

Essay

Duplication can be advantageous for evolution. While the correctly functioning DNA segment remains intact, duplication provides new copies of genes that can be altered to new functions. Unfortunately, duplication can also result in human genetic disorders. Please provide an example of a human genetic disorder that occurs when certain DNA sequences are duplicated.


Definitions:

Eutrophic

Describes water bodies rich in nutrients leading to dense plant life and algae growth, which can deplete oxygen levels and harm aquatic life.

Oligotrophic

Relates to bodies of water that have low nutrient levels and low productivity.

Algae

a diverse group of photosynthetic organisms that live in aquatic environments, ranging from unicellular microalgae to large seaweeds.

Rain Shadow

Leeward side (side sheltered from the wind) of a mountainous barrier, which receives much less precipitation than the windward side.

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