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.
Birthstone Colors by Month. A chart of all the birthstone colors listed by month. This color chart lists all the birthstone colors I have found that are designated in any of the modern, traditional, zodiac, or various ancient tables of birthstones. Several colors are listed for each month because many stones named in birthstone charts are available in a variety of different colors. For instance, garnet, sapphires, agates and jaspers are found in nature in a wide variety of colors and hues.