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.
Blood tests. Blood tests are done in a doctor's office. They can pick up hCG earlier in a pregnancy than urine tests can. Blood tests can tell if you are pregnant about six to eight days after you ovulate.Doctors use two types of blood tests to check for pregnancy: 1  Quantitative blood test (or the beta hCG test) measures the exact amount of hCG in your blood.2  So it can find even tiny amounts of hCG. 3  This makes it very accurate.lood tests can tell if you are pregnant about six to eight days after you ovulate. Doctors use two types of blood tests to check for pregnancy: 1  Quantitative blood test (or the beta hCG test) measures the exact amount of hCG in your blood. 2  So it can find even tiny amounts of hCG. 3  This makes it very accurate.