👉 In genetics, cytogamy refers to a sexual relationship between two organisms in which one of the individuals is sterile. This can occur during gamete production or fertilization. For example, in humans, if an individual is sterile, it means that they do not have sperm in their testicles. The male reproductive organs are closed and only the female reproductive organs are active. When this occurs, a sperm enters the female's vagina and fertilizes an egg outside her body. This process can occur during
