[Virginia-American]

...Preferential breeding does not change one species into another.
Prove that it does.

Here's a way to.

[ValerieUSA]

No, that doesn't prove anything.
Toss some fermented berries into the mix and you never know what a male chihuahua can get a drunken female great dane to agree to do.....

[Elsie]

Actually, the male Chihuahua CAN breed the female Great Dane; if someone puts him up to it.....