Diseases and Disorders, Diseases Associated with DNA Abnormalities, DNA Imprinting Disorders
Last Updated: July 28, 2025 Introduction to Beckwith-Wiedemann Syndrome Beckwith-Wiedemann syndrome (BWS) is the most well characterized disorder affecting growth that results from defects in the process of genomic imprinting. The overall frequency of BWS is 1 in...
Cellular & Molecular Biology, Control of Gene Expression
Last Updated: October 23, 2025 Introduction to Control of Gene Expression The controls that act on gene expression (i.e., the ability of a gene to produce a biologically active protein) are much more complex in eukaryotes than in prokaryotes. A major difference is the...
Cellular & Molecular Biology, DNA, RNA, and Protein Metabolism
Last Updated: October 31, 2025 Introduction to DNA Structure, Functions, and Replication All cells undergo a process of DNA replication and a division cycle during their life span. Some cells are continually dividing (e.g. stem cells), others divide a specific number...
Diseases and Disorders, Diseases Associated with DNA Abnormalities, DNA Imprinting Disorders
Last Updated: October 31, 2025 Introduction to Imprinting Genomic imprinting refers to a genetic phenomenon whereby there is preferential expression of a gene from only one of the two parental alleles. This phenomenon of allele-specific expression results from...
