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Leopards, cheetahs and pumas are all members of the family Felidae.Biologists used DNA hybridisation to investigate the evolutionary relationships between leopards, cheetahs and pumas. They found that hybrid DNA from a leopard and a cheetah separated into single strands at a higher temperature than hybrid DNA from a leopard and a puma. These results suggest that leopards are more closely related to cheetahs than to pumas. Explain why.
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