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.
The most obvious way is to put it in an incubator. and see if there is any growth. However, this is not the. most practical way when you are selling eggs for human. consumption. In that case, the best way to tell a fertile. egg is to examine the germ on the egg's yolk to see if. it has divided. The germ is also called the Blastoderm and is. where the baby chick begins to grow. The germ is. located on the surface of the yolk and appears as a light. spot.
The only way to tell for sure is with a pregnancy test. Spotting and Cramping. A few days after conception, the fertilized egg attaches itself to wall of the uterus. This can cause one of the earliest signs of pregnancy -- spotting and, sometimes, cramping. That's called implantation bleeding.It occurs anywhere from six to 12 days after the egg is fertilized.The cramps resemble menstrual cramps, so some women mistake them and the bleeding for the start of their period.potting and Cramping. A few days after conception, the fertilized egg attaches itself to wall of the uterus. This can cause one of the earliest signs of pregnancy -- spotting and, sometimes, cramping. That's called implantation bleeding. It occurs anywhere from six to 12 days after the egg is fertilized.