Question

A pure tall Pea plant is crossed with pure dwarf Pea plant. The progeny is self-pollinated. The ratio of true breeding tall Pea plants to true breeding dwarf Pea plants shall be

• A. $2:1$
• B. $1:1$
• C. $3:1$
• D. $1:2$

Answer 1

Answer: (B)

phenotypic ratio : $\underset{3:}{\mathrm{tall}}:\underset{1}{\mathrm{dwarf}}$
Genotypic ratio $:\underset{1:}{TT:}\underset{2:}{Tt:}\underset{1}{\mathrm{tt}}$