Homeotic Genes Contain a Homeobox Sequence That Is Highly Conserved

question 11

Multiple Choice

Homeotic genes contain a homeobox sequence that is highly conserved among very diverse species. The homeobox is the code for that domain of a protein that binds to DNA in a regulatory developmental process. Which of the following would you then expect?

• A)That homeotic genes are selectively expressed over developmental time.
• B)That a homeobox containing gene has to be a developmental regulator.
• C)That homeoboxes cannot be expressed in non-homeotic genes.
• D)That all organisms must have homeotic genes.
• E)That all organisms must have homeobox containing genes.

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