The following biochemical pathway can produce plants with 3 different phenotypes for color; White -> Blue -> Red A B A dominant allele is required at both genes A and B to produce the red color. Which of the above phenotypes would be represented by the '4' in the 9:3:4 recessive epistasis ratio?

There is sand and mud

1) the mayans built pyramids just like the egyptians. the mayans also used hieroglyphics like them.2) power was passed down by family. for example, if the father dies, the son would be the next king.3)they both built pyramids for their structures.4)the main crop for the mayans was maize.5)they also grew manioc, beans,  squash,  amaranth, and chile peppers.