Answer:
Vaccination involves showing the immune system something which looks very similar to a particular virus or bacteria, which helps the immune system be stronger when it is fighting against the real infection.
Explanation: "it is what it is".
It is most affected in the surface zone.
d.viruses <em>i believe im bout 98% sure hope i help!!
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Answer:
Suppose:
a given gene undergoes a mutation to its dominant allele such that two out of 100,000 offspring exhibit the new mutant phenotype.
Assuming that these two offspring are heterozygous,
Mutation rate for the gene = 1/100,000
The smooth surface areas of the moon are known as Maria