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| in prokaryotes, a group of adjacent genes that share a common operator and promoter and are transcribed into a single mRNA |
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Definition
| short DNA region, adjacent to the promoter of a prokaryotic operon, that binds repressor proteins responsible for controlling the rate of transcription of the operon |
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Definition
| introduction of double-stranded RNA into a cell to inhibit gene expression |
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Definition
| process in which cells become specialized in structure and function |
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Definition
| a class of regulatory genes that determine the identity of body parts and regions in an animal embryo. Mutations in these genes can transform one body part into another |
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Definition
| a DNA sequence of approximately 130 base pairs, found in many homeotic genes that regulate development. Genes containing this sequence code for transcription factors, proteins that bind to DNA, and they also regulate the expression of other genes |
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Term
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Definition
| a group of homeotic genes clustered together that determine the head to tail identity of body parts in animals. All of these genes contain the homeobox DNA sequence |
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