Those all are normals.
The only way you can know if one is het for anything recessive is with paperwork and a trustworthy breeder.
Otherwise, they don't look like anything special or different. Sorry.
With recessive traits Het (heterozygous) means that the allele for the visual gene is NOT shown and the dominant allele (the normal visual trait) is what you see.
There are markers that are thought to associate with hets, but none are proven and there are proven hets with no markers as well. You just cannot determine het traits without breeding.
Co-Dominant traits are heterozygous and their super forms are homozygous. Remember, you can not have a 'het' co-dominant trait like a pastel or mojave that looks like a normal. It will just be a normal.
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