The process by which different cells express different genes depending on their needs is called differential gene expression
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Differential gene expression refers to the phenomenon where the level of expression of a gene can vary between different cells, tissues, or organisms. This variability can lead to distinct phenotypic differences, such as the development of specialized cell types or response to environmental stimuli. Studying differential gene expression is important for understanding how genes function and how organisms develop and respond to their surroundings.
These are examples of epigenetic modifications that can regulate gene expression without changing the underlying DNA sequence. Genomic imprinting refers to differential gene expression depending on the parent of origin, DNA methylation involves the addition of methyl groups to DNA to silence gene expression, and histone acetylation is the addition of acetyl groups to histone proteins to promote gene expression.
explain the regulation of gene expression in lac operon.
Gene expression is the process by which inheritable information from a gene, such as the DNA sequence, is made into a functional gene product, such as protein or RNA.
Critical Reviews in Eukaryotic Gene Expression was created in 1991.
The D1x gene is controlled by the Pou4f1 gene in vertebrates. Pou4f1 is a transcription factor that regulates the expression of D1x in the developing nervous system.