Recent Studies in Yeast and Flies Show That Most Duplicated

question 80

Multiple Choice

Recent studies in yeast and flies show that most duplicated genes are _______ (on an evolutionary scale) , suggesting a(n) _______ rate of pseudogene formation.

• A) old; high
• B) old; low
• C) young; high
• D) young; low
• E) young; unknowable

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Definitions:

Agrobacterium

A genus of bacteria known for its ability to transfer DNA to plant cells, widely used in genetic engineering to introduce new genes into plant genomes.

Extreme Halophiles

Organisms that thrive in highly saline environments, often found in salt lakes and evaporation ponds.

Salt

Compound that releases ions other than H+ and OH– when it dissolves in water.

Environments

The surroundings or conditions in which a person, animal, or plant lives or operates, including natural, built, and social contexts.