What’s the answer to this question

Amolecule of one atom of carbon and two atoms of oxygen would be written oco? осо, o co2 o 200

The location of the stomach is the diaprham

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.