Ratio you want the percentage of
__________________________ X 100 = percetange
All ratios added together
Eg. 3red bean
________. X 100= 75% of the beans are red
4 beans(3 red + one yellow)
That would be Chemoautotrophic
Vitaim b1. was the found in 1910
The bell shaped curve indicates polygenic traits. A polygenic trait is controlled by multiple alleles. Hope this makes sense :)