You need two recessive alleles to get their trait, but only one dominant allele to get that trait. A dominant allele basically overrides a recessive one if they are together, but the recessive gene can show up in offspring.

The allele not expressed would be recessive whilst the other is dominant. This would be the case in a heterozygous genotype.

Hope this helps

Dominance

The trait that is hidden is recessive trait.

i think the answer your lokking for is recessive

Recessive is when you have a trait in your genome but it doesn't show in your physical appearance