What are molecular markers? Mention their significance. [Answer Limit: 20 words] [UKPSC 2023]
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Molecular markers are specific sequences of DNA used to distinguish and monitor genetic traits or variations in organisms. They play vital roles in creating genetic maps, diagnosing diseases, and developing breeding strategies, allowing researchers to ensure that specific characteristics can be selected before the breeding process and genetic diversity analyzed. Their purpose is to improve agricultural yields, medical diagnoses, and conservation initiatives, as these genetic signatures offer unparalleled detail.