Gene A, Which Is Normally Expressed, Has Been Moved by DNA

question 10

Essay

Gene A, which is normally expressed, has been moved by DNA recombination near an area of heterochromatin.None of the daughter cells produced after this recombination event express gene A, even though its DNA sequence is unchanged.Explain this observation.

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Definitions:

Scientific Method

A systematic procedure for acquiring knowledge that involves observation, hypothesis formulation, experimentation, and conclusion drawing to test validity.

Applied Research

Research conducted to solve practical problems rather than to acquire knowledge for knowledge's sake.

Theoretical Research

Research designed specifically to test some developmental explanation and expand scientific knowledge.

Hypothesis

A prediction stated in a way that permits it to be tested.