Significance of DNA marker
A DNA marker is a specific DNA sequence used in various scientific applications. It serves as a reference in gel electrophoresis to measure the size of DNA fragments, aiding in molecular identification of species, and differentiating authentic plants from substitutes. Additionally, DNA markers are crucial for assessing genetic variation and relationships among organisms. Overall, they play a significant role in both genetics research and practical applications in biodiversity conservation.
Synonyms: Genetic marker, Molecular marker, Polymorphic marker
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The concept of DNA marker in scientific sources
DNA markers are genetic tools derived from DNA, crucial for the molecular identification of species. They effectively differentiate authentic plants from their substitutes, aiding in validating plant authenticity in various contexts.
From: The Malaysian Journal of Medical Sciences
(1) These allow for greater precision and higher discriminatory power in forensic testing, allowing for the identification of the source of a biospecimen and its origin.[1] (2) DNA markers are used to analyze the distribution of alleles in subjects to determine if the presence of these markers can predict the presence of a disease.[2]