The seal myoglobin gene: an unusually long globin gene


The tetrameric haemoglobins of vertebrates are encoded by α-and β-globin gene families which arose during evolution by a succession of gene duplications, commencing with an αβ globin gene duplication which occurred about 500 Myr ago, early in the evolution of the vertebrates1,3. All functional α- and β-globin genes analysed so far share common features… (More)
DOI: 10.1038/301732a0


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