Question

how to find the monohybrid ratio

Answer 1

Parent: TT . tt
tall. dwarf
gametes: T. t

F1: Tt monohybrid and tall(selfing)

gametes : T t

F2: T t
T TT Tt
t Tt tt

tall :dwarf = 3:1 *phenotypic ratio
1:2:1 =genotypic ratio