If You Know That a Hox Gene, AbdB, Is Expressed

question 120

Multiple Choice

If you know that a Hox gene, AbdB, is expressed in the most posterior part of the abdomen in a Drosophila embryo, which of the following conclusions about a homologous gene in humans would most likely be correct?

• A) There is no homologous gene to abdB in humans, because the evolutionary distance between humans and flies is so great.
• B) The homologous gene to abdB exists in humans, but it is expressed only in adults, not in human embryos.
• C) The homologous gene to abdB exists and is expressed in the head of human embryos.
• D) The homologous gene to abdB exists and is expressed throughout the human embryo in roughly equal amounts.
• E) The homologous gene to abdB exists and is expressed near the tail of the human embryo.

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Definitions:

Transfer of Land

The legal process by which ownership of a piece of land is moved from one party to another.

Statute of Frauds

A legal principle requiring certain types of contracts (e.g., real estate transactions, contracts not to be performed within one year) to be in writing to be enforceable.

Partially Performed

A term referring to a contract or agreement that has been started but not fully executed or completed.

Intended To Be Bound

A principle indicating that parties involved in an agreement wish and intend to be legally obligated under that agreement.