How many sperm cells are formed from an original cell in a Drosophila fruit fly at the conclusion of meiosis? A. two haploid sperm cells
B. two diploid sperm cells
C. four haploid sperm cells
D. four diploid sperm cells

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables