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| The term "dosage compensation" refers to the fact that in males, each X chromosome must produce twice as many proteins as the X chromosome in females. |
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| Promoters and enhancers are proteins that bind to DNA to initiate transcription of a particular gene |
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Term
At which step in the transcription/translation process may the expression of a gene be controlled?
After transcription, mRNA's may be processed in different ways, or blocked from leaving the nucleus.
Binding of a regulatory protein to the gene, allowing or preventing transcription.
All of these
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| The classic orange and black patches of hair on calico cats only occurs in females because it is based on the deactivation of one of two X chromosomes in all the female's body cells. |
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| Mutations in the cell cycle controlling genes may lead to the repeated mitosis of particular cells, potentially resulting in cancer |
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| One of the two X chromosomes is inactivated in each cell in female mammals. |
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| Every cell in your body contains only specific portions of your total DNA |
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| The Lac operon in bacteria is a group of genes that code for lactose-digesting enzymes. This group of genes is turned off in the absence of lactose. |
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| In all of your body cells, each gene is expressed all the time - the proteins that are not needed are simply degraded |
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| An operon is a protein that controls gene expression in prokaryotes |
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| The set of genes first discovered in fruit flies, and later found to be present in all animals, that control the formation of the basic body plan are called |
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