The number of tRNA molecules is smaller than the number of codons due to wobble pairing

the verdict

SUPPORTED

the evidence backs this

Recorded sources

2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

The number of tRNA molecules is smaller than the number of codons because wobble base pairing allows single tRNAs to recognize multiple synonymous codons.

The analysis

The claim is a well-established molecular biology fact (the degeneracy of the genetic code and wobble hypothesis explaining why fewer than 61 tRNAs are needed). Papers 4 and 10 discuss how wobble base-pairing and anticodon flexibility allow tRNA repertoires to efficiently decode multiple codons, supporting the claim.

Evidence for · 2

Regulation of tRNA expression during the social cycle of the amoeba Dictyostelium discoideum.

Recorded source metadata

Valdivia DI, Stadler PF. Regulation of tRNA expression during the social cycle of the amoeba Dictyostelium discoideum.. 2026. https://doi.org/10.1186/s12860-026-00580-0

Paper 4 notes that genomes can escape tight translational selection because wobble positioning allows a smaller set of tRNA anticodons to decode multiple codons.

Source citation format

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More for · 1

Reconsideration of codon-anticodon wobble pairings in translation: decoding tables

Recorded source metadata

Miki Wada. Reconsideration of codon-anticodon wobble pairings in translation: decoding tables. 2023. https://doi.org/10.20944/preprints202312.2074.v1

Paper 10 details how wobble pairings across diverse organisms allow tRNAs to decode multiple degenerate codons, explaining the reduced number of tRNAs compared to codons.

Source citation format

The paper trail · every fact has a biography

first checked01 Aug 2026

judged → SUPPORTED · 7501 Aug 2026

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