Transfer of a functional domain from one gene to another, creating a novel protein, can occur by ________; this could provide an evolutionary advantage because ____________. A. intron realignment; it shifts protein structure. B. intron shuffling; it increases genetic variation in a population. C. exon shuffling; it increases genetic variation in a population. D. proteomics; it shifts protein structure. E. both intron shuffling and proteomics; it shifts protein structure and increases genetic variation.

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