As a solid, water floats. this means that

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.

Ascientific idea becomes valid when it is what?

2polnis which of the following is an advantage of an in vitro experiment?me