The trait encoded by a(n) ______ allele will ONLY be exhibited when another allele does not mask it.

When one or both copies of a gene are the ______ allele, then this allele's form of the trait will be exhibited.

If the genotype for a trait is Tt, the t allele is called the allele, whose effect is masked by the other allele.

Distinguish between a gene and an allele.

A(n) ______ individual has 2 different alleles for a given gene.

A(n) allele always exerts its effects when present.