Which statement is accurate about dominant alleles?(1 point)

Responses

They are indicated by lowercase letters.
They are indicated by lowercase letters.

They result in the trait of shortness in pea plants.
They result in the trait of shortness in pea plants.

They are expressed only when a recessive allele is not present.
They are expressed only when a recessive allele is not present.

They are expressed whenever present.

1 answer

The accurate statement about dominant alleles is:

They are expressed whenever present.

Dominant alleles will determine the phenotype if at least one copy is present, while recessive alleles are expressed only when two copies are present.