Does inbreeding really lead to deformities and diseases? Could inbreeding actually be a good thing? Greg Foot finds out the answers. Subscribe: http://bit.ly/SubscribeToEarthLab

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Welcome to BBC Earth Science! Here we answer all your curious questions about science in the world around you (and further afield too). If there' s a question you have that we haven' t yet answered let us know in the comments on any of our videos and it could be answered by one of our Earth Science experts.