Explore: Developmental Genes

structural genes, such as those coding for enzymes; what does differ is the way that gene expression is regulated by the toolkit genes. These genes are reused

misexpression of certain developmentally critical genes, specifically homeotic genes. In animals, these developmental genes specifically control the development of

Hox genes, a subset of homeobox genes, are a group of related genes that specify regions of the body plan of an embryo along the head-tail axis of animals

combination of developmental control genes is upregulated. These genes encode transcription factors which upregulate new combinations of gene activity in

When the genes that encode these enzymes are mutated, epigenetic activation of certain developmental genes is impaired and developmental abnormalities

gene. Gene duplication followed by neofunctionalization is responsible for the many homeobox genes found in eukaryotes. Comparison of homeobox genes and

primate. Instead of mutations in developmental genes, evolution has been driven by changes in gene expression, namely which genes are expressed at which times

embryo. This allows the maternal effect genes Hunchback, Bicoid, Nanos, and Caudal to regulate zygotic genes to create different identities for different

In evolutionary developmental biology, Paired box (Pax) genes are a family of genes coding for tissue specific transcription factors containing an N-terminal

organism. Gap genes were first described by Christiane Nüsslein-Volhard and Eric Wieschaus in 1980. They used a genetic screen to identify genes required for