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Question:

Which of the following is the process by which gametes divide and produce half the number of chromosomes found in a somatic cell?

A Meiosis
Explaination

Meiosis is the process by which gametes divide and produce half the number of chromosomes found in a somatic cell (a body cell). During meiosis, the cells divide twice instead of once. This results in the daughter cells (the gametes) having half of the chromosomes you would find in a somatic cell, which only undergoes one division during mitosis. The second division is necessary for gametes, since when an egg is fertilized, the chromosomes from each gamete are combined to form a zygote. Gametes are the male and female sex cell which contain half set of chromosomes. Fertilization is the process of union of male and female gametes which result to a fertilized egg, or zygote, which contains a full set of chromosomes.