you read it correctly

Probably a good idea, because if they are at the parade, Trump will boast that the crowd sizes were the biggest yet. Better to show in numbers how many people oppose him without Fox News being able to spin it as a pro-Trump rally

Exactly, although the events leading to the crash were more sinister

FTA:

The PCR test is a laboratory technique used to detect specific genetic material, in this case the SRY gene, that reveals the presence of the Y chromosome,

So it seems as though the test will basically be

if y_chromosome:
    return Male
else:
    return Female

I assume in both XXY and XYY, those would be classified as male under their criteria.

I didn’t, h e l p. Is this sarcasm, I truly don’t know?