Crossing a corn with genotype PrRr with a corn that is yellow and wrinkled will result in: 25% purple round, 25% purple wrinkled, 25% yellow round, 25% yellow and wrinkled
all yellow and wrinkled
50% of the grain will be purple and round and 50% will be yellow and wrinkled
9/16 purple round; 3/16 purple wrinkled; 3/16 yellow round; 1/16 yellow wrinkled
O all purple and round

Suppose you could go back in time to interview henri becquerel on the day he discovered radioactivity. from his perspective, write an account of the discovery.

Tom wants to conduct a scientific study but he needs to finish by the end of the school year. what practical way could tom work around this limitation and be successful in his study?

Dr. arenas is a scientist who has been trying to determine if increasing pressure will increase the sound that occurs when two chemicals explode. it measures the volume of the sound that occurs at the minimum pressure at which the explosion will occur. it then increases the pressure and measures the volume of the explosions that occur. what kind of investigation is the scientist conducting?