With 10 sex chromosomes and a mixture of 3 types of biological characteristic

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In 1798, a man named John Hunter sent a special specimen to the British Museum. 

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Has three types of biometric

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After scientists confirmed the existence of the platypus, 

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a new problem emerged, namely the classification of the animal. 

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peculiar duckbill The most prominent feature of the platypus’ 

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appearance is its duckbill, which is also the origin of its Chinese name.  

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However, its beak is similar to that of a duck in appearance 

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retractable fin Platypus is also a master builder. 

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Their nests are generally built on the edges of rivers and lakes. 

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The platypus that “looks the same”