I believe it is A. Nerve. I am pretty positive I am right.
One of these principles, now known as Mendel's law of independent assortment, states that allele pairs separate during the formation of gametes. This means that traits are transmitted to offspring independently of one another.
Answer:
Regenerative medicine
Explanation:
Regenerative medicine can be defined as a branch of translational research in tissue engineering and molecular biology that deals with replacing, engineering or replace human or animal cells, tissues or organs to restore normal functioning.
It also develops method to regrow, repair or replace damaged or diseased cells, organs or tissues.
Your experiment has an accurate outcome. The only variable that should be changing is what you have already determined to be the independent variable. All other variables must be controlled (sometimes called constant) in order to preserve the accuracy of the experiment and ensure that the only thing impacted the change in the dependent variable is directly caused by the independent variable.
The answer is C. A layer of rock or soil that holds water underground.