How could a Punnett square be used to make
predictions about humans?

to look at the probability of
musical ability
to look at the probability of
intelligence
to look at the probability of eye
color
to look at the probability of food
preference

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.