Will give a brainlest which statement fits the frontier ethic? he who has more toys wins. recycle plastic! walk lightly on earth. those in need

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.

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes

Development has provided electrically for less money but what may be considered a cause of nuclear power