Biology / Bio 0991 · Atom · ~20 seconds
Random Fertilization as a Source of Genetic Variation
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Random fertilization combines one of many possible gametes from each parent, multiplying the genetic variation crossing over and independent assortment already produced.
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Two parents each capable of over eight million distinct gametes can produce a zygote drawn from over seventy trillion combinations.
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Random fertilization multiplies variation meiosis already generated — it is not itself a meiotic event.