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Result
Formula and method
Coding DNA 5′ → 3′ is copied with T replaced by U. Template DNA must be entered 3′ → 5′ and is complemented to RNA 5′ → 3′ using A→U, T→A, C→G, and G→C.
Worked example
Coding DNA ATGCCAT becomes RNA AUGCCAU. Template DNA TACGGTA becomes RNA AUGCCAU.
Limits and assumptions
Strict A/C/G/T input only after removing formatting whitespace. No protein translation, mutation prediction, personal genomic analysis, ambiguity-code guessing, or clinical interpretation.
Method sources
NCBI Bookshelf on RNA transcription explains that polymerase reads the DNA template 3′ → 5′ and synthesizes RNA 5′ → 3′ with complementary nucleotides.