When two populations become isolated from each other for enough time that they can no longer interbreed, they are considered to be a. adapting to each other b. separate species c. same species but different genus d. developing into one species?

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.