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The process required for formation of gamete in sexual reproduction…

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The process required for formation of gamete in sexual reproduction is

A. implantation

B. fertilization

C. mitosis

D. meiosis




Gametes are sperm in males and eggs in females formed when a parent diploid cell undergoes meiosis to produce four haploid cells.

Now for the right answer to the above question:

  1. Implantation cannot possibly be the answer. so, A is incorrect.
  2. Fertilization is not the formation of gametes, but rather the unification or fusion of gametes to form a zygote. B is also incorrect.
  3. Mitosis involves the splitting of cells to form clones of itself and not gametes. So, C is also incorrect.
  4. D is correct; meiosis is the process where a diploid cell containing two copies of each chromosome splits to produce four haploid cells called gametes.
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You may please note that:

  • While mitosis is the splitting of cells into clones, meiosis on the other hand is the splitting of a parent cell into gametes, not clones.

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/ culled from 2017 JAMB-UTME biology question 20 /

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