Question

Which statement best describes the relationship between an allele and a gene?

A.) An allele is a version of a gene that can be expressed as a phenotype.
B.) An allele is the primary protein made by a gene found in a developing embryo.
C.) An allele is the part of a gene that attaches to messenger RNA molecules.
D.) An allele is a segment of a DNA molecule that controls replication of a gene.

Answer 1

A.) An allele is a version of a gene that can be expressed as a phenotype.