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Biology Chapter 10

Biology Chapter 10 Gene Expression Vocab

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.
Created by: moiz.yousufi86