<span>A living organism that helps protect the body. A barrier that destroys pathogens on the outer body surface, at body openings, and on inner body linings.</span>
Answer:
Codominance
Explanation:
Codominance is when two dominant traits are equally dominant, and therefore they both are expressed in the offspring's phenotype. For example, if in a flower, blue (BB) and red (RR) are codominant their offspring would be both red and blue. One of the common examples of codominance in humans is blood type, which is seen in AB blood since A and B are equally dominant.
Genetic engineering is one way