Is that what causes that? I knew that many plant species had a ridiculous number of redundant chromosomes, but I didn't know it was because of a leak of centrioles. How do the cells separate the DNA during cell division, then?

Without going to read all those sources, where is the new male-determining genre? And is it wholly new, it is it SRY in a weird place? I've heard of a condition in humans where SRY can wind up on the X chromosome in some sperm cells, with the sister Y chromosome not carrying it, leading to (exceedingly rarely) XX male humans or XY female humans.

Let's unify the weak force and gravity at very small distances so we can have a "Weak electric gravy" force

They just kinda sit there. They can't control them.

It's not the case that everyone everywhere everywhen has exposure to a corpus of knowledge about head injuries. Hence why some people went with "when I'm embarrassed/infatuated/etc I feel it in my 'heart', that must be where thinking happens".

That question is one of the ones philosophy is all about.