To maintain the number of chromosomes from parents to offspring during sexual reproduction, two steps are required. the first, meiosis, results in twice as many chromosomes as in the original cell. rearranged chromosomes of the same size and number. larger chromosomes than those in the original cell. half the number of chromosomes as in the original cell. the same number of chromosomes as in the original cell.

Asample of digestive juice was removed from the stomach of a pig. the juice was placed in a test tube along with some grains of wheat. a second test tube was set up containing an equal number of wheat grains, with distilled water rather than digestive juice. the test tubes were kept for 8 hours at 40 degrees c. after 8 hours, the grains inside the digestive juice had broken into tiny particles. the grains of wheat, in the water, were wet but otherwise unchanged. what is the control group?