Dictionary > Homeobox gene

Homeobox gene

Definition
noun, plural: homeobox genes
One of a group of genes with a common DNA sequence (a homeobox) that code for a homeodomain, and is involved in bodily segmentation and cell differentiation during embryonic development.
Supplement
Hox gene is an example of a homeobox gene. The homeobox sequence codes for a 60 amino acid protein domain known as the homeodomain. The main role of homeodomain is to act as a switch that controls gene transcription.
See also: Hox gene.

You will also like...

An artist depiction of a Precambrian multicellular life form.

The Evolution of Cell Organelles

The nucleus containing the genetic material, DNA, and the mitochondria, well-identified as the "powerhouse of the cell",..

IQ, Creativity and Learning

IQ, Creativity and Learning

Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..

Peppered moth ("Biston betularia") melanic and light form

Examples of Natural Selection

Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..

running freshwater community

Running Water Freshwater Community Factors

This tutorial noted some of the physical and chemical factors that provide the framework of a running water community in..

Chromosome Mutations

Chromosome Mutations

Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..

Nephrolepis exaltata

Vascular Plants: Ferns and Relatives

Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..