***easy question, lots of *** in pea plants, the allele for purple flowers (p) is dominant to the allele for white flowers (p.) a plant that is heterozygous for purple flowers is crossed with a plant with white flowers. what percentage of the offspring plants are expected to have purple flowers?

a.) 25%
b.) 50%
c.) 75%
d.) 100%

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?