Answer:
Asexual reproduction yields genetically-identical organisms because an individual reproduces without another. In sexual reproduction, the genetic material of two individuals from the same species combines to produce genetically-different offspring; this ensures mixing of the gene pool of the species.
Headache, nausea, vomiting, constipation, dizziness, spinning sensation, drowsiness, slurred speech, loss of balance or coordination, swollen or tender gums, sleep problems (insomnia), nervousness, tremors, rash.
The shingles virus is a reactivation of the chicken pox virus.
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