A certain atom has 26 protons, 26 electrons, and 30 neutrons. Its mass
number is

Here's one way to follow the scientific method. place the missing steps in the correct position in the process.

What are genotypes? what are phenotypes?

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.