¿Qué enfermedades pueden producir los microorganismos? Ejemplos

What happens whenever a net force acts on an object

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.

Number and variety of living organisms includes genetic, species, and ecological types