Answer:
centromere.
explanation:
the contromere is the structure that joins the two chromatids to make a chromosome.
Viruses are not living organisms because they lack the ability to produce.
I believe that Jason is most likely to have Migraines.
Migraine is a type of headache that is a result of specific changes within the brain. It causes severe head pain that is often accompanied by sensitivity to light, sound, or smells. The types of symptoms include; nausea, vomiting, sensitivity to light or sound, eye pain and also severe pain.