Viruses can multiply very quickly, and so they can go through natural selection at a much quicker rate, allowing certain vaccine resistant mutations to take over a population.
Answer:
Explanation:
A mutation in DNA alters the mRNA, which in turn can alter the amino acid chain.
Answer:
I think it is called selective breeding, I don't think it is called that but hope this helps
Answer:
Either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.
Answer:
stomach
Explanation:
uh stomach lol i mean when you swallow it goes to your stomach and you just digest it
