Human has been artificially creating lifeforms for thousands of years. Countless species of plants and animals are engineered through selective breeding in order to enhance their beneficial traits and to remove their undesirable traits to human. Breeding can be used to fulfill various objectives, such as enhancing an organism’s growth speed and capacity of absorbing nutrients or simply altering an organism’s appearance to satisfy consumers’ aesthetics. However, this traditional approach to genetic engineering is going through drastic change with the discovery of CRISPR. Although it is an…