In a plant species, yellow flower colour is dominant over white, and round fruit shape is dominant o

Question

In a plant species, yellow flower colour is dominant over white, and round fruit shape is dominant over elongated. A cross was performed between two pure lines- one having yellow flower and round fruit, and another having white flower and elongated fruit. About 20 plants survived in $F_{1}$ progeny. Plants of $F_{1}$ were allowed to self-fertilise, and about 960 plants survived in $F_{2}$. If both the traits followed Mendelian inheritance, then the number of plants having yellow flower and round fruit in $F_{1}$ and $F_{2}$ would be respectively\

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(b)