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African lungfish, Protopterus annectens
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등록시간: 2008:03:26 13:27:39
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African lungfish, Protopterus annectens
Evolutionary molecular systematics of vertebrates
According to mitogenomic studies, the bichir, Polypterus sp, (above) and the African lungfish, Protopterus annectens, (below) have basal positions in the evolutionary tree of gnathostomous fishes. Images courtesy of and copyright Fredrik Sundström (above) and Oregon Zoo (below).
The use of molecular data has revolutionized the field of phylogenetics. The advantages of using DNA sequence data include:
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동물그림창고 똑똑전화 누리집
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