Platypus turned out to be a genetic mixture of mammals, birds and reptiles

Similar to the beaver and platypus, the Australian platypus is often considered the world's strangest mammal. U

It has many strange characteristics: it lays eggs instead of giving birth to children, sweats milk, has poisonous spurs and 10 sex chromosomes.

Modern researchers are still tryingunderstand how the platypus became so unique. For the first time, an international team of researchers led by biologists from the University of Copenhagen has painted the complete genome of a platypus.

It turned out that the platypus belongs to the ancientgroup of mammals - monotremes: it existed millions of years before the appearance of all modern mammals. The platypus belongs to the class of mammals, but genetically it is a mixture of mammals, birds and reptiles. It has retained many of the unique traits of its ancestors, which likely contribute to its successful adaptation to the environment in which they live. 

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