Which statement is accurate about dominant alleles?

Question

Responses

They are expressed whenever present.
They are expressed whenever present.

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.

Answer 1

The accurate statement about dominant alleles is:

They are expressed whenever present.

This means that a dominant allele will manifest its trait in the phenotype if at least one copy is present, regardless of whether the individual also has a recessive allele.