Globin introns: ancient or modern?
Some globin introns appear to be ancestral features, others have been interpreted as later additions. However, these "anomalous" introns may be ancient relics of internal duplications within the original gene.
Elder
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School of Pharmacy, University of South Australia, North Terrace, Adelaide, SA 5000, Australia.
D000818:Animals; D019143:Evolution, Molecular; D005914:Globins / Q000235:genetics*; D007438:Introns; D008957:Models, Genetic
D005914:Globins