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Genetic Variation

Genetic Variation

Genetic variation is the diversity in DNA sequences found among individuals of the same species. This diversity is crucial for a species' survival because it helps organisms adapt to environmental changes. Genetic variation begins with fertilization, where an egg and sperm cell merge. Each of these cells carries 23 chromosomes, up to 46 in the fertilized egg. Chromosomes are long DNA strands that contain genes, the basic units of heredity.
Genes exist in different versions called alleles,...

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Related Experiment Video

Updated: Dec 14, 2025

Methods to Increase the Sensitivity of High Resolution Melting Single Nucleotide Polymorphism Genotyping in Malaria

Methods to Increase the Sensitivity of High Resolution Melting Single Nucleotide Polymorphism Genotyping in Malaria

Published on: November 10, 2015

Knowing the enemy: genetics to track antimalarial resistance

Didier Ménard¹, Alfredo Mayor²

¹Malaria Genetics and Resistance Unit, Parasites and Insect Vectors Department, Institut Pasteur, Paris 75024, France.

The Lancet. Infectious Diseases

|July 18, 2020

Summary

No abstract available in PubMed .

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