Here's a problem to solve: Plant growth is affected by environmental factors such as gravity. If a seed is allowed to sprout and grow while it is turned sideways, which will most likely occur?

Among the 4 following options, which is the correct answer?

- A: roots will grow downward, stems will grow downward
 
- B: roots will grow downward, stems will grow upward
 
- C: roots will grow upward, stems will grow downward
 
- D: roots will grow upward, stems will grow upward
 