Tag: chromatin structure

December 14, 2025 / Mohammed looti

DUPLEX THEORY

Introduction to the Duplex Theory The Duplex Theory in molecular biology and genetics posits that the human genome is not a uniform structure but is fundamentally composed of two distinct and functionally specialized types of elements, namely euchromatin and heterochromatin. This foundational dichotomy suggests that genetic information and its functional utilization are governed not solely […]

October 2, 2025 / Mohammed looti

ORGANIC REPRESSION

Organic Repression The Core Definition of Organic Repression Organic repression refers to a fundamental mechanism of gene expression regulation where the activity of a gene is modulated not primarily by the binding of a specific regulatory protein, but rather through intrinsic alterations in the physical structure of the DNA itself or the surrounding chromatin. These […]