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.
Procedure. 1  The structure of an egg An egg is a reproductive cell from which a new organism develops. 2  This will occur only if the egg has been united with a male sperm cell (fertilized). 3  A chick will hatch from a fertile egg if the egg is incubated at 100.5 degrees F for 21 days.