This is additive color. Red, green and blue are the primary colors of white light. All three colors will result in white, the absence of all three will produce black. When two primary colors of light are added together, you get a color that is brighter than either of its components.
MYTH: A blood spot inside the egg means the egg is fertile. FACT: A blood spot inside an egg can occur at various points in a hen's reproductive system as a result of a blood vessel rupturing. It can be the result of a genetic predisposition, a vitamin A deficiency, or a random event.
Fertile days in your menstrual cycle occur around the time of ovulation, when your ovaries release a mature egg for fertilization. If you are trying to get pregnant, it is important to plan sex during your most fertile days. Fertile Days in Menstrual Cycles. Fertile days vary from woman-to-woman, depending on the length and regularity of her menstrual cycles. Women are most fertile during ovulation, when a woman releases an egg to be fertilized.