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  4. A true breeding plant producing red flowers is crossed with a pure plant producing white flowers. Allele for red colour of flower is dominant. After selling the plants of first filial generation, the proportion of plants producing white flowers in the progeny would be

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Q. A true breeding plant producing red flowers is crossed with a pure plant producing white flowers. Allele for red colour of flower is dominant. After selling the plants of first filial generation, the proportion of plants producing white flowers in the progeny would be

KCETKCET 2009Principles of Inheritance and Variation

Solution:

In $F_2$ generation dominant and recessive characters appear in 3 : 1 ratio