Use the drop-down menus to identify each structure of the flower. Structure A is the . Structure B is the . Structure C is the . Structure D is the .

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.