I've never understood how they actually get to the conclusion that we should see a crocoduck, or that we should see a cat give birth to a dog. Both of those ignore how population (and individual) genetics works, completely. And it's not very complicated.
Since it's apparently more complicated than I perceive it to be, I'll try a metaphor.
Think of an old-school, movie-projector-style, reel to reel film of a man jogging. Each image on that tape (cells?) represents one generation. In genetics, a kid is almost exactly like his parents, but sliiightly different, due to recombination effects and the (~10) mutations each new offspring have, most of which occur in non-coding sections. Likewise, each cell of the film must be almost identical to the one before it or we wouldn't have a movie. Now we begin to roll the film-- as we speed though the "generations", we see the changes starting to add up. The man begins to run through a forest and then up a mountain. At the end of the film, the man is standing on top of the mountain, admiring the view.
Asking us why cats don't give birth to dogs is akin to asking, "Well in the first frame, he's standing next to his car in a parking lot, and in the last frame, he's standing on top of a mountain. How'd he get to the top of the mountain?"
Since it's apparently more complicated than I perceive it to be, I'll try a metaphor.
Think of an old-school, movie-projector-style, reel to reel film of a man jogging. Each image on that tape (cells?) represents one generation. In genetics, a kid is almost exactly like his parents, but sliiightly different, due to recombination effects and the (~10) mutations each new offspring have, most of which occur in non-coding sections. Likewise, each cell of the film must be almost identical to the one before it or we wouldn't have a movie. Now we begin to roll the film-- as we speed though the "generations", we see the changes starting to add up. The man begins to run through a forest and then up a mountain. At the end of the film, the man is standing on top of the mountain, admiring the view.
Asking us why cats don't give birth to dogs is akin to asking, "Well in the first frame, he's standing next to his car in a parking lot, and in the last frame, he's standing on top of a mountain. How'd he get to the top of the mountain?"
A Christian told me: if you were saved you cant lose your salvation. you're sealed with the Holy Ghost
I replied: Can I refuse? Because I find the entire concept of vicarious blood sacrifice atonement to be morally abhorrent, the concept of holding flawed creatures permanently accountable for social misbehaviors and thought crimes to be morally abhorrent, and the concept of calling something "free" when it comes with the strings of subjugation and obedience perhaps the most morally abhorrent of all... and that's without even going into the history of justifying genocide, slavery, rape, misogyny, religious intolerance, and suppression of free speech which has been attributed by your own scriptures to your deity. I want a refund. I would burn happily rather than serve the monster you profess to love.
I replied: Can I refuse? Because I find the entire concept of vicarious blood sacrifice atonement to be morally abhorrent, the concept of holding flawed creatures permanently accountable for social misbehaviors and thought crimes to be morally abhorrent, and the concept of calling something "free" when it comes with the strings of subjugation and obedience perhaps the most morally abhorrent of all... and that's without even going into the history of justifying genocide, slavery, rape, misogyny, religious intolerance, and suppression of free speech which has been attributed by your own scriptures to your deity. I want a refund. I would burn happily rather than serve the monster you profess to love.
