Question

7. A pea plant with violet flower denoted
as VV is crossed with pea plant with white
flower denoted as ww. (a) What is the
expected colour of the flower in F, progeny?
(b) What will be the percentage of the plants
bearing white flowers in F, generation, if F
plants are self bred. (c) state the expected
ratio of (1) genotype VV and Vw and (ii)
pure line plants in F, generation?
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Answer 1

Answer:

F1 generation , all flowers will be Violet because Violet colour trait is dominant and white is recessive in plant. (b) percentage of white flowers is 25% in F2 generation because in F2 generation genotypes of offsprings are 1 BB, 2 Bw, 1 ww ......