Slashy1Slashy1
Slashy1Slashy1 t1_j50e1rq wrote
Reply to comment by suvlub in Given that reproduction is difficult or impossible when both animals have different numbers of chromosomes, how did so many species evolve to have so many different numbers of them? by MercurioLeCher
Right, and that seems to illustrate OP's point. Having 44 chromosomes is obviously a pretty big fitness detriment, since it makes it harder to reproduce with other members of your own species. So how did a such a variation in chromosome numbers between species occur in the first place, if evolving it is a detriment?
Slashy1Slashy1 t1_j51f42i wrote
Reply to comment by off_the_cuff_mandate in Given that reproduction is difficult or impossible when both animals have different numbers of chromosomes, how did so many species evolve to have so many different numbers of them? by MercurioLeCher
But that requires a substantial population of 44 chromosome people to already exist, at least enough to avoid extreme inbreeding depression.