Which Trait white flowers or purple flowers is controlled by a dominant allele? Which is controlled by a recessive allele? How do you know?

if I get you right. How do I know

it's controlled by either of the two. White flowers are controlled by a dominant allele. Purple flowers are controlled by a recessive allele. Dominant

alleles are represented by capital letters, and recessive alleles are represented by the lowercase versions of the same

letters.