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SECTION 5

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Question
Answer
an ______ gene is one that is transcribed into RNA   expressed  
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a group of genes that operate together is known as an ______   operon  
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the lac genes are turned off by _________ and turned on by the presence of ________   repressors, lactose  
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region of chromosome in an operon to which the repressor binds when the operon is turned off   operator  
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most ___________ genes are controlled individually and have regulatory sequences that are much more complex that those of the _______ operon   eukaryotic, lac  
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helps position RNA polymerase by marking the point at which transcription begins   TATA box  
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area on gene where repressor binds and stops transcription   operator  
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a DNA binding protein that stops transcription and turns off the gene   repressor  
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controls the organs and tissues that develop in various points of the embryo, determines an animals basic body plan   hox genes  
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t/f most hox genes are arranged in almost the exact order they are expressed in the body   true  
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t/f no common patterns of genetic control exist because all these genes have descended from the genes of common ancestors   false  
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Created by: ebony5407