Your Inner Fish

A gene found in any animal with a body that helps control the body orientation and body plan of the animal. The more complex the animal’s body is, the more Hox genes the animal has. The Organizer seems to control which Hox genes are active in which cells so that each cell performs its proper role in the body plan.
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Hox gene Term Timeline in Your Inner Fish

The timeline below shows where the term Hox gene appears in Your Inner Fish. The colored dots and icons indicate which themes are associated with that appearance.
Chapter 5: Getting Ahead
Similarities Between All Animals Theme Icon
History of Life  Theme Icon
...and specific regions become different from each other. Each arch has a different set of Hox genes active that tell that arch what to become. If a scientist manipulates the Hox genes... (full context)
Chapter 6: The Best-laid (Body) Plans
Similarities Between All Animals Theme Icon
History of Life  Theme Icon
...sequence is called a homeobox, and the gene that includes a homeobox sequence is a Hox gene . Every animal with a body has some version of these Hox genes. (full context)
Understanding Complex Concepts Through Simple Analogies Theme Icon
Animals with more complex bodies have more Hox genes , but every Hox gene is a different version of the basic Hox gene template.... (full context)
Understanding Complex Concepts Through Simple Analogies Theme Icon
Scientific Discovery Theme Icon
...by researchers because no one could figure out exactly how it worked. The discovery of Hox genes in the 1980s brought the Organizer back to the foreground. Eddie De Robertis, a professor... (full context)