which is dominate and which is recessive

always shows up when present
can be a hidden trait
takes two alleles for it to be visible
capital letter
only take one alleles for it to be visible
lowercase letter

The dominate trait is the one that always shows up when present, takes only one allele for it to be visible, and is represented by a capital letter.

The recessive trait is the one that can be a hidden trait, takes two alleles for it to be visible, and is represented by a lowercase letter.