Two different alleles for the same gene can be represented in how many different pairings?

What makes a dominant allele different from a recessive allele

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes