If the genes for the two traits are on the same chromosome, alleles for each trait will always appear in the same combinations (ignoring recombination). With one row or column for each allele combination, the total number of boxes in a Punnett Square equals the number of rows times the number of columns.
November Birthstone Color. The November birthstone color is usually light to dark yellow, however, topaz, the official November birthstone comes in a range of great colors such as several shades of yellow, pale green, blue, red, pink, black, and brown. Pure topaz is actually a colorless stone. The red and pink topaz gets their color from chromium.
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.