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A candidate pigment SNP is not a named-line genetic test
The evidence library is allowed to change in public. This page preserves the revised boundary, why it moved and which guides were affected.
What changed
The colour and genetics guides now include the NdBCO-like4 functional experiment while rejecting use of its one associated SNP to identify Blue Dream, Sunkist, Bloody Mary or another seller line.
Why it changed
The strongest functional comparison used five paired maternal clutches under an artificial removed-embryo protocol. The paper also conflicts over synonymous versus missense wording, wild versus transparent labels and genotype totals, so the association cannot establish causation, dominance, pedigree or a cross forecast.
Sources reviewed for this change
Affected practical guides
A public change is not automatically a retraction. A source may be added, a scope narrowed, a gap refined or an error corrected. The current guide and registry record own the current wording.
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