#02 Red-green color blindness is a combination of red-blindness (protan defects) and green-blindness (deutan defects). #03 Color blindness is more prevalent among males than females, because the most common form of color vision deficiency is encoded on the X sex chromosome.
(A womanâs egg, on the other hand, is viable for only about one day once it leaves the ovary.). Sperm can live outside of the body for only about 20 minutes to an hour, depending on how exposed the semen is to the air and other environmental factors.To avoid the slightest risk of pregnancy, a woman should make sure that ejaculated semen doesnât get at all close to her vagina.A womanâs egg, on the other hand, is viable for only about one day once it leaves the ovary.). Sperm can live outside of the body for only about 20 minutes to an hour, depending on how exposed the semen is to the air and other environmental factors.
Sperm can be stored inside the male body for approximately 3 weeks after they've matured, after which they die inside the body if not ejaculated. So the entire sperm life cycle inside a man's body if not ejaculated (10 week maturation time + 3 week storage lifespan) is approximately 13 weeks or about 3 months.