Answer:
The correct answer is option C. "pleiotropy".
Explanation:
Pleiotropy is a characteristic that defines a gene that is responsible for the development of multiple traits, which often seem to be unrelated. Sickle-cell disease is an example of a disease caused by the mutation of a pleiotropic gene, resulting in the person developing red levels, blood clots, and strokes. Other example is the disease phenylketonuria, at which the affected person suffers from a mental disorder and reduced hair and skin pigmentation by a single mutation in a single gene on chromosome 12.
Answer:
the central nervous system
Explanation:
The nervous system is made up of the central nervous system and the peripheral nervous system: The brain and the spinal cord are the central nervous system.
<span>(1) Does the pH of water affect the growth of radish plants?
</span><span>(2) pH of the water
</span><span>(1) repeating the experiment several times</span>