Multiple choice

Which of the following genes expression is unaffected by experimental conditions?

  1. Hox genes

  2. A housekeeping gene

  3. A constitutive gene

  4. An inducible gene

  5. A facultative gene
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A housekeeping gene is typically a constitutive gene that is transcribed at a relatively constant level. The housekeeping gene's products are typically needed for maintenance of the cell. It is generally assumed that their expression is unaffected by experimental conditions.

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