Odpowiedzi na post #54 738

And because they know exactly what will happen if any link in the chain doesn't act like they believe it. That's a good comparison, thanks...

His dumb logic actually makes me a little MATI. Of course, you can't physically see someone's chromosomes with the naked eye, but you can observe...

Karyotypes are extremely simple to do. Swab the cheek, isolate one cell undergoing metaphase, count the chromosomes. The last two should be XY.