RNA Interference and Its Role
RNA interference (RNAi) is a conserved process that regulates gene expression using small silencing RNAs acting in a sequence-specific manner....
September 29, 2024
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Principles of transcriptional regulation In tryptophan operon
The tryptophan (trp) operon of Escherichia coli is a paradigm example of a repressed, negatively controlled operon. This operon involves...
September 28, 2024
Operon Model Notes
The classical operon model formulated by Jacob and Monod in 1961 provides a basic description of the gene regulation at...
September 26, 2024
Pleiotropy Central Genetic Concept
Pleiotropy is a central genetic concept referring to how a single gene can affect multiple phenotypic traits. The recognition of...
September 23, 2024
Lethal alleles: Notes
Some genes are necessary for the survival of an organism. Mutation in such a gene can lead to loss of...
September 23, 2024
Gregor Mendel’s Principles of Inheritance Notes
Gregor Johann Mendel, an Austrian monk (1822–1884), is recognized as the father of genetics. He laid the foundation for understanding...
September 22, 2024
Epistasis in Genetics: Types, Examples, and Effects on Inheritance Patterns
Epistasis is the type of gene interaction in which the effect of one gene becomes masked or modified by one...
September 22, 2024
Polygenic Inheritance: Traits, Nilsson-Ehle Experiment, and Additive Genetic Models
Polygenic inheritance refers to those traits that are controlled by more than one gene that are often at different loci...
September 22, 2024
Sensory Perception and photoreceptors: Human Eye
Cells or organs of the body which detect stimuli are called receptors or sense organs. Every individual cell of protozoans...
September 11, 2024
Detection of Mutations: CLB Method and Attached X-Chromosomes Technique
The CLB (Complementation and Lethal Burden) method is a powerful technique for detecting and analyzing mutations. It combines complementation tests...
September 5, 2024
