3475. DNA Pattern Recognition
Table: Samples +----------------+---------+ | Column Name | Type | +----------------+---------+ | sample_id | int | | dna_sequence | varchar | | species | varchar | +----------------+---------+ sample_id is the unique key for this table. Each row contains a DNA sequence represented as a string of characters (A, T, G, C) and the species it was collected from. Biologists are studying basic pattern
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