A two-trait Punnett Square has 16 boxes. The probability of a cross producing a genotype in any box is 1 in 16. If the same genotype is present in two boxes, its probability of occurring doubles to 1/8 (1/16 + 1/16).
November born individuals, are blessed with two ruling Birthstones, the revered Topaz and the gentle, healing Citrine. Topaz is a gemstone exhibiting an array of spectacular colors. The stone was believed to be symbolic of the Egyptian Sun God Ra, with its brilliant golden glow and fiery intensity.
Both topaz and citrine are the birthstones associated with the birth month of November. Topaz is the more common gemstone associated with November and comes in a variety of yellow hues. The name topaz comes from the Greek name for St. Johnâs Island located in the Red Sea, Topazios.