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A heterozygous tall plant of pea is crossed with a dwarf plant of pea. Calculate the phenotypic ratio of the progeny - Deviations from Mendelism - Incomplete Dominance, Co-dominance, Multiple Alleles and Inheritance of Blood Groups, Pleiotropy

A heterozygous tall plant of pea is crossed with a dwarf plant of pea.

Calculate the phenotypic ratio of the progeny.

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Solution

When a heterozygous tall plant of pea (Tt) is crossed with a dwarf plant of pea (tt), it can be represented as follows;

In this cross, 50% offsprings are tall and 50% are dwarf.
Thus, phenotypic ratio of the progeny = 1 (Tall) : 1 (Dwarf)

Concept: Deviations from Mendelism - Incomplete Dominance, Co-dominance, Multiple Alleles and Inheritance of Blood Groups, Pleiotropy
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