Quite indeed, many years ago I did a research of the pattern and the RSY pattern and their similarities and even made a thread about it, but as with 90% of the threads I have created during my 10 years here they go unnoticed.That is quite impressive.
Same Phenotype but Different Genotype Guess the Genotype
https://www.backyardchickens.com/th...different-genotype-guess-the-genotype.946131/