B) Detectives used DNA markers to match the pods from the truck to pods on the scene.
Answer: To get rid of the week and let their kids not be weak.
Explanation:
The answer is C.
Viruses cannot reproduce without a host. Viruses do not eat selves to provide energy for their reproduction.
Viruses do not reproduce outside of cells nor do they create harmful chemicals on their own.
X chromosome, I believe it is. Good luck!