Answer:
Mutations happen in our cells all the time. It's actually how all humans grow and change. The vast majority of mutations are harmless. Thus, they aren't avoidable.
Telephase.
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Nucleic acids store and transmit genetic information that you inherited from your parents.
Answer is [ C ]
The reason is none other than,
→ Prokaryotes are commonly referred as most primitive organisms
They lacks membrane - bound organelles , they are unicellular organisms who does not posses a true nucleus .
→ Eukaryotes are most likely advanced organisms , they posses a true nucleus & membrane - bound organelles as well. There are unicellular & multicellular eukaryotes
eg : Unicellular eukaryotes like Protists
X-rays were discovered by accident (by Wilhelm Rontgen).