The Hox Genes Came to Regulate Each of the Following

question 60

Multiple Choice

The Hox genes came to regulate each of the following in what sequence, from earliest to most recent?
1) identity and position of paired appendages in protostome embryos
2) formation of water channels in sponges
3) anterior-posterior orientation of segments in protostome embryos
4) positioning of tentacles in cnidarians
5) anterior-posterior orientation in vertebrate embryos

• A)4 → 1 → 3 → 2 → 5
• B)4 → 2 → 3 → 1 → 5
• C)4 → 2 → 5 → 3 → 1
• D)2 → 4 → 5 → 3 → 1
• E)2 → 4 → 3 → 1 → 5

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Definitions:

Bargained-For Exchange

In reference to agreements, when a promise is made in exchange for another promise, in exchange for an act, or in exchange for a forbearance to act.

Contracts For Necessaries

Legal agreements for the supply of essential goods or services, such as food, shelter, and clothing, especially pertinent to persons unable to enter into contracts, like minors.

Educational Loans

Financial aid provided to students to help cover the cost of education expenses, which must be repaid.

Voluntarily Sold

The act of willingly choosing to sell an asset or property without being forced by external circumstances.