Although apparently the update is 'Gemini Pro' which is not as good as Gemini Ultra (the one that will supposedly outperform GPT4). Still, playing around it seems pretty good for medical questions (not so much for coding).
They did a mitochondrial DNA sequencing on my musle biopsy. Muscles have roughly 1000 mitochondria.So they sequence many mtDNA in the sample and 15% had 6kb just blown out. So those 15% are effectively useless for generating ATP.