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.
Unique Birthstone Jewelry. Yellow Topaz is the modern November birthstone and blue topaz is the Modern December birthstone. Topaz is the accepted gem for the fourth, 19th and 23rd wedding anniversaries. See other December and November birth stones: Traditional, Contemporary, Mystical, Ancient, Zodiac and Star signs. See more topaz jewelry.