Someone please help me with this answer it’s TIMED

The answer is the second one.

Aa and Bb has a 25% chance of making an AB, a 50% chance of making an Ab or aB, and a 25% chance of making an ab

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.