Question

Which of the following represent tall plants and which represent short plants (or dwarf plants)?
(a) Tt
(b) tt
(c) TT
Give reason for your choice (The symbols have their usual meaning).

Answer 1

(a) Tt represents tall plants, as T (tall) is dominant over t (dwarf).
(b) tt represents dwarf plants, as t (dwarf) is present in homozygous recessive state.
(c) TT represents tall plants, as T (tall) is present in homozygous dominant state.