Why is it important that the dna molecule be able to make copies of itself?

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

Monitor and apply fix up stratorgies

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet