Why does sexual reproduction increases the genetic variation in a species

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.

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

Which of the following is not associated with invasive species?