Biology Chapter 10 Word Scramble
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Term | Definition |
Homeotic Gene | A type of master gene that controls the formation of specific body parts. |
Enhancers | A binding site in DNA for an activator, all inside of eukaryotic cells. |
Repressors | A factor that reduces the rate of transcription. |
Operators | A binding site in DNA for repressors, all inside of prokaryotic cells. |
Dosage Compensation | A mechanism in which X chromosome inactivation equalizes gene expression between males and females. |
Activators | A factor that increases the rate of transcription. |
X Chromosome Inactivation | A developmental shutdown of one X chromosome in a female mammal's cells. |
Operon | Group of genes that have a promoter-operator DNA sequence that controls their transcription. |
Barr Bodies | Inactivated X chromosome in a female mammal. The other X chromosome is active. |
Epigenetic | Heritable changes in gene expression that are not a result of the changes in DNA sequence. |
Master Genes | A gene encoding a product that changes the expression of other genes. |
Transcription Factors | A protein that influences transcription. e.g. Activator, Repressor, etc. |
Knockout | An experiment in which a gene is deliberately inactivated in a living organism. |
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