#NAME?

Question

- always expressed when one or two alleles are present

- only expressed when two alleles are preset

Answer 1

A dominant phenotype will be expressed when at least one allele of its associated type is present, whereas a recessive phenotype will only be expressed when both alleles are of its associated type. However, there are exceptions to the way heterozygotes express themselves in the phenotype.

Step-by-step explanation: