Misleading results from the use of ambiguity coding to score polymorphisms in higher-level taxa.
Simmons
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Department of Mammalogy, Division of Vertebrate Zoology, American Museum of Natural History, New York, New York 10024, USA. simmons@amnh.org
D001699:Biometry; D002965:Classification; D008957:Models, Genetic; D010802:Phylogeny; D011110:Polymorphism, Genetic