1. Genetics
... there was a law of heredity, man wanted to delve deeper into it and find what exactly it was that made this work (The History of Modern Genetics par. 1). In 1869, Johann Friedrich Miescher discovered a slightly acidic chemical. He called the substance nucleic acid, because he found it in the ... (Hartl 222). For thousands of years, humans have used selective breeding to deliberately manipulate the genes of plants and farm animals - with little controversy. Modern gene technology is much more powerful, however, and gives us a greater capability to do both good and evil. Ethics help us dec...
- Word Count: 1922
- Approx Pages: 8
- Grade Level: High School