This could be many different traits. Hair color, eye color, and height are all possible traits that would be passed down from parent to offspring.
A testable question is B. If a plant is turned upside down, which way will the roots grow?
The other options are incorrect because you cannot create some kind of experiment to prove them right or wrong.
Hope that helped you.
B because the organism needs the organelle to function
In the Mitosis cell cycle, one cell will make two daughter cells.
In the process of Meiosis, two cells; the sperm and the egg; will make four haploid cells with different DNA than the other haploid cells and parent cells.
No it has grown slowly of the past years