Each of us arrives in this world quite by chance. The genetic baggage that we bring is not of our choosing. It has been packed for us, by a complex of random, unpredictable events. One's father contributes a minute sperm cell, really nothing more than a nucleus propelled by a thrashing tail. The sperm respond to chemical cues and migrate through the mother's oviduct toward an awaiting egg. The cells which gave rise to the gametes (the sperm and the egg) were each the site of a random reshuffling of chromosomes (Lee, 79). So we are each unique. Each of us begins as a zygote with a total of some 50,000 to 100,000 genes (Lee, 80). These are the code, the instructions, which within hours cause for the first cell to divide into two, then four, then eight and so forth.

After graduating from school and gaining a comfortable means of living, it is then and only then, most couples want to begin their family. Many people can't fathom being unfertile unless proven otherwise. Unfulfilled hopes can strengthen a relationship, but can also drive them far apart. New and eve

The fear of choosing other personal preferences, such as high IQ or a certain eye color has been even more intense, though far less realistic. Unless a couple underwent IFV treatment repeatedly and built up a large stock of embryos for genetic screening there would never be enough to find specific characteristics unless it was common (Gosden 80).

Just as the little girl who had SCID gene therapy is just introducing genes into some of the somatic (body) cells to correct a gene defect (Gosden, 130). Gene therapy such as this only affects the person involved and would not be passed on to future generations.

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Approximate Word count = 1676
Approximate Pages = 7 (250 words per page double spaced)