Just look at what happened to Elizabeth Warren. Her career in national politics basically came to an end after Trump's constant ridicule drove her to get that stupid DNA test.
The DNA test confirmed what Trump had been saying for months: that Vladimir Putin had more Cherokee DNA than Elizabeth Warren.
And get this ... Warren was so damn stupid over the whole thing that she actually made those results PUBLIC.
Don't expect Biden to make the same mistake. It's nice to think that the Democrats are stupid but they're not that stupid.
If Biden chooses to answer this, and it's not likely he will unless people start taking it seriously, then his response will be as I said. He will say he took the test. He will say he aced it. And that unlike the President he found it easy, which any person with normal cognative skills should have. Then his people will start asking if Trump is so sharp then why did he find the test so hard?