How do genes control the expression of a trait? Explain taking the example of plant height in case of a pea plant.
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when a gene controls two or more trait it is called polygene.eg is height ,short and tall of a peaplant.TT-tall plant and the short/dwarf plant is it if both of them are taken then Tt is formed which is tall phenotype*1.2.1 and genotype *3.1
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