Which of the following best represents the changes to the SARS-COV-2 Virus. A. adaptation
B. evolution
C. population
D. natural selection

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.

Construct at least two possible hypotheses for the student’s experiment.

What is a photon? a. part of a ribosome b. a light particle c. a carbon dioxide molecule d. part of a chloroplast b.a light particle