How does impossible grab you?
Rats have 21 chromosome pairs. Mice have 20. There is no way to go from one to the other overnight or over millions of years.
ML/NJ
So all the species that are different or with different chromosome numbers all had to be on the Ark?
Gets way too crowded rather quickly.
But at least we FINALLY seem to have an actual objective definition of “kind”.
Ludicrous and idiotic - but at least you have a definition.
Plants easily developed populations with different chromosome numbers - that didn’t happen either overnight or over millions of years. Do you know and can you explain how it happens?