Genetics

V.N.Karazin University

Here are the best resources to pass Genetics. Find Genetics study guides, notes, assignments, and much more.

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Presentation

Apoptosis regulatory genes
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10

February 2025

2024/2025
The document "Apoptosis Regulatory Genes" explores the molecular mechanisms controlling programmed cell death, focusing on key genes such as APAF1, BCL2, CASP9, FAS, FADD, CASP8, CASP3, and TP53. It describes the intracellular (mitochondrial) and extracellular pathways of apoptosis, their regulation, and their role in normal development and disease. The document also discusses how mutations in these genes contribute to cancer, immune disorders, neurodegenerative diseases, and other patholo...
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Presentation

TCR Gene Editing: Mechanisms, Enzymes, and Immunological Implications"
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17

February 2025

2024/2025
This document provides a comprehensive overview of TCR (T-cell receptor) gene editing, focusing on its structure, function, and molecular mechanisms. It covers the historical background of TCR discovery, the structural composition of TCR and its association with the CD3 complex, and the genetic basis of TCR diversity through V(D)J recombination. The document explains the step-by-step process of V(D)J recombination, highlighting key enzymes such as RAG1, RAG2, Artemis, Ku70/Ku80, TdT, and LIG4, a...
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Presentation

Stages of B-Lymphocyte Differentiation
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12

February 2025

2024/2025
The document outlines the development, function, and classification of B cells, essential for humoral immunity. B cells, responsible for antibody production, antigen presentation, and immune regulation, play a vital role in adaptive immunity and immunological memory. Discovered in the 1960s, B cell function is linked to the bursa of Fabricius in birds and the bone marrow in mammals. The differentiation process begins with pluripotent hematopoietic stem cells in the bone marrow, progressing throu...
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Presentation

Gene Interactions: Allelic and Non-Allelic Mechanisms in Genetic Expression
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20

February 2025

2024/2025
The document "Gene Interactions: Allelic and Non-Allelic Mechanisms in Genetic Expression" explores the various ways genes interact to influence phenotypic traits. It is divided into allelic interactions (occurring between different alleles of the same gene) and non-allelic interactions (between different genes). Key Topics Covered: Allelic Interactions: Complete Dominance: One allele completely masks the other (Mendelian inheritance). Incomplete Dominance: The heterozygous phenoty...
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