Ascientist is comparing the characteristics of a \text{c}_{3}c 3 plant, wheat, and a \text{c}_{4}c 4 plant, sugarcane. which of the following is true regarding these two plants?

Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.