No we don't.
A couple random examples.
Kidneys: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2652077/
Liver: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3155567/
And if you're the least bit interested in individualized medicine, it's important to know such things.
Also, can you please cite the source for your 1% number?