Choose the term that best completes each sentence. 1. An individual with two identical alleles for a gene is ________ for that g
ene. 2. An individual with two different alleles is __________. 3. The ________ describes the outward expression of an allele combination. 4. A phenotype is a __________ variant of a gene’s expression that arises when the gene undergoes a change. 5. One trait that masks another is _________ trait.