Question

an allele that produces its characteristic phenotype only when its paired allele is identical is known as a _. a dominant allele b recessive allele c gene

Explanation:

In genetics, a recessive allele shows its phenotypic effect only when present in a homozygous state (paired with an identical recessive allele). A dominant allele expresses its trait whether in a homozygous or heterozygous state. A gene is a unit of heredity. The description in the question fits the definition of a recessive allele.

Answer:

b. recessive allele