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X chromosome inactivation in female mammals produces the Barr Body.
Some male birds and mammals congregate in communal courting grounds called leks.
Rapid population growth of geese has resulted in extensive areas of La Perouse Bay becoming d
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Botulism A rare but serious paralytic illness caused by the bacterium Clostridium botulinum
Mammoths – Larger Cenozoic Mammals