Female mice were bred by de Japanese scientists from the Tokyo University of Agriculture and there was no father to pass. Because they had developed genetically engineered female mice sperm cells themselves. And they fertilize the females together.
What turned the mice had two mothers were older than the mice with a father and mother. These mice lived 30% longer than even the "normal" mouse. To think the Japanese scientists to show that men by their own sperm are less than one woman.
In almost all countries in the world, women live longer on average than men. This study shows that the lifespan of mammalian DNA from the male sperm has a detrimental effect
