The tagged DNA homes in on sequences which are the same.

Australian platypus research has implications for understanding the evolution of human being sex determination The mystery surrounding sex dedication of the initial Australian platypus has yielded a unexpected secret: it has 10 sex chromosomes should be taken . The tagged DNA homes in on sequences which are the same . DNA isolated in one of the Y chromosomes by fellow researcher, Dr Enkhjargal Tsend-Ayush, demonstrated that it had been specific to men. In the man platypus, the ten sex chromosomes fall into line as a chain of XYXYXYXYXY at meiosis, the special cell division that distributes chromosomes to sperm and eggs.

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