Genetic Engineering Past and Present

Science is a creature that continues to evolve at a much higher rate than the beings that

gave it birth. The transformation time from tree-shrew, to ape, to human far exceeds the time

from analytical engine, to calculator, to computer. But science, in the past, has always remained

distant. It has allowed for advances in production, transportation, and even entertainment, but

never in history will science be able to so deeply affect our lives as genetic engineering will

undoubtedly do. With the birth of this new technology, scientific extremists and anti-technologists

have risen in arms to block its budding future. Spreading fear by misinterpretation

of facts, they promote their hidden agendas in the halls of the United States congress. Genetic

engineering is a safe and powerful tool that will yield unprecedented results, specifically in the

field of medicine. It will usher in a world where gene defects, bacterial disease, and even aging

are a thing of the past. By understanding genetic engineering and its history, discovering its

possibilities, and answering the moral and safety questions it brings forth, the blanket of fear

covering this remarkable technical miracle can be lifted.

The first step to understanding genetic engineering, and embracing its possibilities for

society, is to obtain a rough knowledge base of its history and method. The basis for altering the

evolutionary process is dependent

on the understanding of how individuals pass on

characteristics to their offspring. Genetics achieved its first foothold on the secrets of nature's

evolutionary process when an Austrian monk named Gregor Mendel developed the first "laws of

heredity." Using these laws, scientists studied the characteristics of organisms for most of the

next one hundred years following Mendel's discovery. These early studies concluded that each

organism has two sets of character determinants, or genes (Stableford 16). For instance, in

regards to eye color, a child could receive one set of genes from his father that were encoded one

blue, and the other brown. The same child could also receive two brown genes from his mother.

The conclusion for this inheritance would be the child has a three in four chance of having

brown eyes, and a one in three chance of having blue eyes (Stableford 16).

Genes are transmitted through chromosomes which reside in the nucleus of every living

organism's cells. Each chromosome is made up of fine strands of deoxyribonucleic acids, or

DNA. The information carried on the DNA determines the cells function within the organism.

Sex cells are the only cells that contain a complete DNA map of the organism, therefore, "the

structure of a DNA molecule or combination of DNA molecules determines the shape, form, and

function of the [organism's] offspring " (Lewin 1). DNA discovery is attributed to the research

of three scientists, Francis Crick, Maurice Wilkins, and James Dewey Watson in 1951. They

were all later accredited with the Nobel Price in physiology and medicine in 1962 (Lewin 1).

"The new science of genetic engineering aims to take a dramatic short cut in the slow

process of evolution" (Stableford 25). In essence, scientists aim to remove one gene from an

organism's DNA, and place it into the DNA of another organism. This would create a new DNA

strand, full of new encoded instructions; a strand that would have taken Mother Nature millions

of