The critically endangered Grauer's gorilla has recently lost genetic diversity and has experienced an increase in harmful mutations, according to a sequencing of 11 genomes from specimens collected up to 100 years ago, which were compared with genomes from existing gorillas.

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The critically endangered Grauer's gorilla has recently lost genetic diversity and has experienced an increase in harmful mutations, according to a sequencing of 11 genomes from specimens collected up to 100 years ago, which were compared with genomes from existing gorillas.