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A gene of Pisum sativum that determines the size of starch grains also influences the following character of the plant.
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a
Stem height
b
Seed shape
c
Pod shape
d
Seed color
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Correct option is B
Gene of pea that influences the size of starch grains is pleiotropic and also influences the shape of seed. The gene has alleles as B and b. In plant with genotype BB, the starch grains are larger and seeds are round, with genotype Bb, the seeds are round and size of starch grains is intermediate and with bb genotype the seeds are wrinkled and the starch grains are smaller.
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