Blood type is controlled by two equally dominant genes. what type of example is this?
a. codominanceb. incomplete dominancec. sex-linked genesd. recessive dominance

I believe the answer to this is D recessive/ Dominance

The answer is joseph is observing the colour of the reaction mixture to see whether proteins are present in the given solution.

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass