Question

Choose the correct answer from the alternatives given.

When a cross is made between a tall plant with yellow seeds (Tt Yy) and a tall plant with green seeds (Tt Yy), what is true regarding the proportions of phenotypes of the offsprings in $F_1$ generation?

• A. Proportion of Tall and Green - $\frac{3}{8}$, Proportion of Dwarf and Green - $\frac{1}{8}$
• B. Proportion of Tall and Green - $\frac{2}{8}$, Proportion of Dwarf and Green - $\frac{1}{8}$
• C. Proportion of Tall and Green - $\frac{1}{8}$, Proportion of Dwarf and Green - $\frac{3}{8}$
• D. Proportion of Tall and Green - $\frac{2}{8}$, Proportion of Dwarf and Green - $\frac{2}{8}$

Answer 1

The correct option is A Proportion of Tall and Green - $\frac{3}{8}$, Proportion of Dwarf and Green - $\frac{1}{8}$

A cross between a tall plant with yellow seeds (TtYy) and a tall plant with green seeds (Ttyy) will be the Phenotypic ratio is Tall and yellow: Tall and green Dwarf and yellow: Dwarf and green::3:3: 1:1 or 3/8,3/8, 1/8,1/8.