Answer:
What causes genetic variation?
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism’s offspring).
Explanation:
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A nucleus. Hope this helps.
True. Alluvial fans, deltas, and deposition are examples of land formations that are formed from deposits by rivers.
