CAPE Biology Unit 1 · 2008 (Rest of Region) · Paper 1 · Question Q22

A plant breeder crossed two tall, pink-flowered plants, the offspring of which are shown below. \begin{tabular}{|l|c|c|c|} \hline \multirow{2}{*}{\textbf{Height}} & \multicolumn{3}{c|}{\textbf{Flower colour}} \\ \cline{2-4} & \textbf{Red} & \textbf{Pink} & \textbf{White} \\ \hline Tall plants & 72 & 158 & 65 \\ \hline Dwarf plants & 22 & 54 & 24 \\ \hline \end{tabular} Which of the following plants will produce identical offspring when self-fertilised?

1. (A)Dwarf, pink-flowered
2. (B)Dwarf, white-flowered
3. (C)Tall, red-flowered
4. (D)Tall, white-flowered