What is the ratio of homozygous offspring to heterozygous offspring shown in the diagram below?

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.

Types of scientific inquiry that biologist engage in that cannot be completely controlled

What are the ingredients of oobleck?