Answer:
A genetic chain is something your grandparents passed on to your parents, and your parents passed it on to you, and so forth!
Explanation:
C. testable and observable
If this is for the scientific process unit, the answer is passing laws to prevent certain types of scientific research. I know because I had this question in biology.
The correct answer for the above question is the ejaculatory ducts. The male urethra is divided into three regions, one of them is the prostatic urethra which is the proximal portion that passes through the prostrate gland. It receives the ejaculatory duct, which contains sperm and secretions from the seminal vesicles, and numerous ducts from the prostrate glands.
It would be the mitosis of the body cells
Hope this helps :)