1. Cloning
... there are eight million human clones living on earth. Identical twins have the same genetic information due to the embryo splitting during early development producing two organisms, therefore making them clones. Cloning has a short but rather amazing history. People actually attempted cloning at the beginning of the 20th century. Sea urchins, frogs, sheep and other organisms were used to try to perfect cloning. Cloning ... has been attempted many times. The first attempt was made by Adolf Eduard Driesch. Driesch could let the eggs of a sea urchin into a two-blastomere stage. Then he sepa...
- Word Count: 1260
- Approx Pages: 5
- Grade Level: High School