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A 24-year-old chimp in Japan has a genetic disorder similar to Down Syndrome in humans, researchers have found.

Kanako is only the second chimpanzee known to have the chromosomal defect trisomy 22. The disorder has stunted her growth, left her blind and resulted in a congenital heart disease and underdeveloped teeth.

But she’s also lived a surprisingly long time. 

The first chimp with a confirmed case of trisomy 22 — which scientists documented in 1969 — didn’t live to see its second birthday. That makes Kanako the longest-living chimp with this chromosomal disorder, at least that scientists are aware of, according to a new study in the journal Primates. Read more…

More about Kyoto, Trisomy 21, Trisomy 22, Chromosome, and Genetic Disorders
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