* Injection of specific gene constructs into the newly fertilized [[The Ovary - Oocytes - Anatomy & Physiology|oocyte]], so that they become part of the dividing cell. Thus they are encorporated and expressed in the individual. | * Injection of specific gene constructs into the newly fertilized [[The Ovary - Oocytes - Anatomy & Physiology|oocyte]], so that they become part of the dividing cell. Thus they are encorporated and expressed in the individual. |